Nghiên cứu chế độ thủy động lực và diễn biến lòng dẫn đoạn sông lô qua đoan hùng phú thọ, định hướng các giải pháp chỉnh trị phù hợp

B GIÁO D C VÀ ÀO T O TR NGHIÊN C U CH B NÔNG NGHI P VÀ PTNT NG I H C THU L I NGUY N C HOÀNG THU NG L C VÀ DI N BI N LÒNG D N O N SÔNG LÔ QUA OAN HÙNG - PHÚ TH , NH H GI I PHÁP CH NH TR PHÙ H P LU N V N TH C S Hà N i - 2014 NG CÁC B GIÁO D C VÀ ÀO T O TR NGHIÊN C U CH B NÔNG NGHI P VÀ PTNT NG I H C THU L I NGUY N C HOÀNG THU NG L C VÀ DI N BI N LÒNG D N O N SÔNG LÔ QUA OAN HÙNG - PHÚ TH , NH H GI I PHÁP CH NH TR PHÙ H P Chun ngành: Xây d ng cơng trình th y Mã s : 60-58-40 LU N V N TH C S Ng ih ng d n khoa h c: PGS.TS Ph m ình Hà N i - 2014 NG CÁC L IC M N  Lu n v n th c s k thu t “Nghiên c u ch đ th y đ ng l c di n bi n lịng d n đo n sơng Lơ qua oan Hùng – Phú Th , đ nh h ng gi i pháp ch nh tr phù h p " đ c hoàn thành nh s h v i đ ng nghi p Trung tâm ng d n t n tình c a PGS.TS Ph m ình ng l c sông – Vi n Khoa h c Th y l i Vi t Nam c ng nh s t o u ki n giúp đ c a gia đình ng Tác gi xin c m n th y cô Tr ng i thân i h c Th y l i, Khoa Cơng trình t o u ki n giúp đ tác gi hoàn thành lu n v n C m n lãnh đ o Phịng Thí Nghi m Tr ng i m Qu c Gia v ng L c H c Sông Bi n; C m n lãnh đ o đ ng nghi p Trung tâm đ ng l c sơng t n tình giúp đ , h ng d n t o u ki n t t nh t cho tác gi trình h c t p làm lu n v n C m n s đ ng viên giúp đ , chia s , c v tinh th n c a ng i thân, gia đình b n bè đ tác gi có th hồn thành lu n v n Do th i gian trình đ có h n nên lu n v n không th tránh đ thi u sót nên tác gi r t mong nh n đ c nh ng c ý ki n chia s , đóng góp c a th y cô, b n bè đ ng nghi p đ lu n v n đáp ng đ c nh ng m c tiêu đ Hà N i, tháng 10 n m 2014 Tác gi lu n v n Nguy n c Hồng L I CAM OAN Tơi xin cam đoan, cơng trình nghiên c u c a b n thân, đ yêu c u phát sinh th c t đ hình thành h c xu t phát t ng nghiên c u Các s li u có ngu n g c rõ ràng tuân th nguyên t c k t qu trình bày lu n v n đ c thu th p trình nghiên c u trung th c, ch a t ng đ tr c c công b Hà N i, Tháng 10 n m 2014 Tác gi Lu n v n Nguy n c Hoàng M CL C U M I TÍNH C P THI T C A II M C ÍCH C A TÀI TÀI III PH M VI NGHIÊN C U .2 IV PH NG PHÁP NGHIÊN C U V CÁC K T QU CH NG 1: PHÚ TH C T C I M CHUNG O N SÔNG LÔ QUA OAN HÙNG – VÀ T NG QUAN NGHIÊN C U .5 1.1 T NG QUAN V NGHIÊN C U .5 1.1.1 Nghiên c u n c .5 1.1.2 Nghiên c u n c: .8 1.2 C I MT NHIÊN 11 1.2.1 c m t nhiên c a l u v c 11 1.2.2 c m khí h u .14 1.2.3 H th ng sơng ngịi 15 1.3 C I M TH Y V N 17 1.3.1 Tài li u thu v n khu v c 17 1.3.2 Tài li u thu v n kh o sát n m th c đ a 21 1.3.3 1.4 c m thu v n th y l c sông Lơ đo n Lão Hồng qua oan Hùng 24 C I M A CH T 24 1.5 CÁC CƠNG TRÌNH Ã XÂY D NG 27 1.6 PHÂN TÍCH M T S NGUYÊN NHÂN C B N GÂY M T N NH LÒNG D N O N SÔNG NGHIÊN C U 28 1.6.1 Phân tích di n bi n lịng sơng, bãi sông .28 1.6.2 Phân tích nguyên nhân c b n gây m t n đ nh lòng d n 35 1.7 TV N NGHIÊN C U 37 1.7.1 Khu v c nghiên c u 37 1.7.2 V n đ đ t .37 1.7.3 H ng nghiên c u 37 1.8 K T LU N 38 CH NG 2: C S LÝ THUY T VÀ D LI U TRONG PH NG PHÁP NGHIÊN C U B NG MƠ HÌNH V T LÝ 39 2.1 C S LÝ THUY T TRONG PH NG PHÁP NGHIÊN C U 39 2.1.1 Xây d ng mơ hình v t lý lịng c ng 39 2.1.2 Phân tích kh n ng n đ nh lòng d n theo v n t c dòng ch y ti p đáy 49 2.2 C S D LI U TRONG PH 2.2.1 C p l u l NG PHÁP NGHIÊN C U .52 ng nghiên c u .52 2.2.2 Tuy n ch nh tr lịng sơng mùa ki t lu ng tàu 52 2.3 K t lu n 56 CH NG 3: NGHIÊN C U CÁC GI I PHÁP TRÊN MƠ HÌNH V T LÝ VÀ XU T PH NG ÁN CƠNG TRÌNH CHO KHU V C .57 3.1 NGHIÊN C U GI I PHÁP TRÊN MƠ HÌNH V T LÝ 57 3.1.1 Thí nghi m phân tích k t qu .57 3.1.2 xu t giái pháp cơng trình 62 3.1.3 Thí nghi m phân tích k t qu đ a hình lịng sơng theo PA1 67 3.2 L A CH N PH NG ÁN T I U .93 3.3 THI T K CƠNG TRÌNH 94 3.3.1 Tính tốn thơng s thi t k 94 3.3.2 Tính tốn n đ nh k t c u kè m hàn 101 K T LU N VÀ KI N NGH 104 PH L C .106 DANH M C B NG BI U B ng 1.1: c tr ng hình thái c a l uv c sông nhánh l n thu c l uv c sôngLô 13 B ng 1.2: L u l B ng 1.3: ng bình quân nhi u n m t i tr m 18 c tr ng l u l ng l n nh t t i tr m sông Lô – Gâm 19 B ng 1.4: L u l ng ki t nh t th i k đo đ c t n m 1960 – 1994 20 B ng 1.5: L u l ng trung bình nhi u n m mùa ki t 20 B ng 1.6: V trí m t c t đo thu v n sơng Lơ khu v c Lão Hồng 22 B ng 1.7: S li u kh o sát thu v n 24 B ng 1.8: Th ng kê v trí đo n sơng cong sông Lô đo n 29 B ng 1.9: Th ng kê đ c tr ng lịng d n sơng Lơ đo n Lơ Gâm đ n LôC 30 B ng 1.10: B ng th ng kê v trí đo n sơng cong sông Lô đo n t ngã ba Lô – Ch y đ n ngã ba Lô - H ng (Vi t Trì) 32 B ng 1.11: Th ng kê đ c tr ng lòng d n sông Lô 33 B ng 2.1: K t qu tính tốn t l mơ hình lòng c ng 40 B ng 2.2: V trí hi u ch nh ki m đ nh mơ hình v t lý 42 B ng 2.3: K t qu ki m đ nh mơ hình v t lý v i tr ng h p m c n B ng 2.4: K t qu ki m đ nh mơ hình v t lý v i tr l ng t B ng 2.5: c th c đo, 45 ng h p v n t c th c đo, l u ng ng t i V Quang = 1857 m3/s 45 c tr ng n ch nh tr sông Lô 54 B ng 3.1: K t qu giá tr m c n B ng 3.2: Kích th c kè m hàn t i đo n c n Lão Hoàng (PA1) 65 B ng 3.3: K t qu giá tr m c n B ng 3.4: Kích th c t i gi ng đo (PA1) 67 c kè m hàn t i đo n c n Lão Hoàng PA2 81 B ng 3.5: K t qu giá tr m c n B ng 3.6: Kích th c t i gi ng đo (PA0) 57 c t i gi ng đo (PA2) 82 c kè m hàn t i đo n c n Lão Hoàng 96 DANH M C HÌNH V Hình 1.1: V trí o n Lão Hồng sơng Lơ 11 Hình 1.2: M ng l i tr m th y v n 17 Hình 1.3: S đ v trí m t c t đo l u l ng dòng ch y 23 Hình 1.4: ng l ch sâu sông Lô, đo n t ngã ba Lô-Gâm đ n ngã ba LC 31 Hình 1.5: Cao đ bãi sơng sông Lô đo n t ngã ba Lô-Gâm đ n ngã ba LC 31 Hình 1.6: ng l ch sâu sông Lô, đo n t ngã ba Lô - Ch y đ n ngã ba LH 35 Hình 2.1: S đ v trí m t c t hi u ch nh ki m đ nh mô hình 44 Hình 2.2: Ki m đ nh đ ng m c n c gi a mô hình v t lý th c t 45 Hình 2.3: Ki m đ nh giá tr v n t c gi a mơ hình v t lý th c t 45 Hình 2.4: Ki m đ nh giá tr v n t c gi a mơ hình v t lý th c t 45 Hình 2.5: Ki m đ nh giá tr v n t c gi a mơ hình v t lý th c t 45 Hình 2.6: Bi u đ quan h gi a U* c d 45 Hình 2.7: M t b ng n ch nh tr lu ng tàu thi t k 555 Hình 3.1: V trí m t c t ngang đo v n t c 58 Hình 3.2: Phân b v n t c ti p đáy m t c t ngang lịng sơng PA0-940 61 Hình 3.3: M t b ng b trí cơng trình ch nh tr ph ng án PA1 66 Hình 3.4: Phân b v n t c ti p đáy m t c t ngang lịng sơng PA1-940 71 Hình 3.5: Phân b v n t c ti p đáy m t c t ngang lịng sơng PA1-3300 74 Hình 3.6: Phân b v n t c ti p đáy m t c t ngang lịng sơng PA1-9520 77 Hình 3.7: M t b ng b trí cơng trình PA2 83 Hình 3.8: Phân b v n t c ti p đáy m t c t ngang lịng sơng PA2-940 86 Hình 3.9: Phân b v n t c ti p đáy m t c t ngang lịng sơng PA2-3300 89 Hình 3.10: Phân b v n t c ti p đáy m t c t ngang lịng sơng PA2-9520 92 Hình 3.11: M t b ng b trí h th ng m hàn ph Hình 3.12: M t b ng n hình m hàn ph Hình 3.13: M t c t d c n hình m hàn ph ng án ch n .97 ng án ch n 98 ng án ch n 99 Hình 3.14: M t c t ngang n hình m hàn 100 M I TÍNH C P THI T C A o n sông Lô qua ng U TÀI oan Hùng – Phú Th đóng m t vai trò quan tr ng đ i v i i dân Phú Th nói riêng t nh lân c n nói chung Trên h th ng sơng Lơ đo n qua oan Hùng không ch n quan tr ng c a tr c đ ng th y Vi t Trì - Tun Quang mà cịn n thoát l quan tr ng c a h th ng sơng Lơ Trong tình hình kinh t hi n nay, n c ta l i n c phát tri n nên n giao thông th y Hà N i – Vi t Trì – Tuyên Quang n giao thông r t quan tr ng vi c v n chuy n hàng khách, đóng góp r t ni u cho s phát tri n kinh t xã h i c a t nh Tuyên Quang, t nh Phú Th , t nh V nh Phúc t nh lân c n Vì v y sơng ngồi vi c có nhi m v tiêu l lâu dài cho l u v c ph i đ m b o quan h hình thái cho vi c giao thơng th y đ c thu n l i, đem l i hi u qu kinh t cao Tuy v y sau th i gian dài khai thác n giao thơng th y Vi t Trì – Tun Quang nhi u đo n sông b t đ u b thay đ i ch đ th y đ ng l c di n bi n lòng d n Nhi u đo n sông b thu h p m r ng, xu t hi n bãi b i, h xói, u d n đ n thay đ i kh n ng tiêu thoát l qua nh ng đo n sơng này, t nh h ng đ n tồn b q trình l c a h th ng sông Không nh ng th , vi c thay đ i cịn nh h ng khơng t i vi c l i c a tàu thuy n sông, làm gi m hi u qu c a ngành kinh t đ ng sông V mùa n c ki t, vi c xu t hi n bãi b i l n gi a sông làm tê li t n giao thông đ ng th y n i đ a r t quan tr ng Vi t Trì - Tuyên Quang Do đ c thù đo n sông Lô qua oan Hùng là: có c a phân l u sơng Ch y có nh ng đo n th t h p nên ch đ thu đ ng l c di n bi n lịng d n đo n sơng ph c t p nh t toàn h th ng sông Lô Cùng v i s phát tri n kinh t xây d ng d n đ n nhu c u khai thác cát, s i sông di n m nh m , u làm cho di n bi n lòng d n c a đo n sông l i ph c t p thêm Tr c tình hình th c t nh trên, mu n ch nh tr t ng th đo n sông ph c v đa m c tiêu, đáp ng nhu c u ngành kinh t c n thi t ph i nghiên c u ch đ thu đ ng l c quy lu t di n bi n lịng d n đo n sơng tình hình hi n T đ xu t gi i pháp ch nh tr phù h p đ thu l an tồn n đ nh lịng d n, ph c v giao thơng ây lý cho th y s c n thi t c a đ tài lu n v n nghiên c u: “Nghiên c u ch đ th y đ ng l c di n bi n lòng d n đo n sông Lô qua oan Hùng – Phú Th , đ nh h II M C ÍCH C A ng gi i pháp ch nh tr phù h p” TÀI M c đích đào t o: Nâng cao kh n ng t ng h p c a h c viên v ki n th c h c ch ng trình cao h c chun ngành cơng trình th y, ch nh tr sơng N m v ng đ c ph ng pháp nghiên c u đ gi i quy t m t v n đ th c t c s v n d ng ph ng pháp lu n k t h p v i ng d ng công ngh , công c hi n đ i nghiên c u M c đích nghiên c u: ánh giá đ c th c tr ng tình hình thu l c thu v n di n bi n lòng d n đo n sông Lô qua oan Hùng – Phú Th T ng h p, phân tích, tính tốn nghiên c u trình bi n đ i ch đ thu đ ng l c đánh giá di n bi n lòng d n tr xu t mang tính đ nh h c sau có cơng trình ch nh tr ng gi i pháp ch nh tr phù h p nh m n đ nh lòng d n mùa ki t, ph c v giao thông thu v mùa ki t, không gây xói l b sơng c a đo n sơng Lơ qua oan Hùng tình hình hi n III PH M VI NGHIÊN C U Nghiên c u ch đ thu đ ng l c đo n Lão Hoàng có chi u dài km (t km 64 đ n km 68) m t đo n nh p l u sông Ch y vào sông Lô v i chi u dài kho ng 22 km d a vi c xây d ng thí nghi m b ng mơ hình v t lý, c th biên đ ch n nh sau: - Biên sông Lô t i Km 74; - Biên sông Ch y cách ngã ba Lô - Ch y kho ng km; c 111 25.00 25.00 5.20 2.50 25.00 25.00 25.00 8.30 4.90 4.80 24.99 24.99 24.99 3.10 3.50 1.80 B ng k t qu l u t c ti p đáy Ph TV2 Kho ng cách(m) 0.00 17.50 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 TV5 U*(cm/s) sát đáy 4.90 8.40 11.20 10.00 9.60 11.70 13.90 9.90 11.30 11.20 10.80 8.20 Kho ng cách(m) 0.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 4.50 4.90 4.70 4.50 7.80 11.40 12.20 10.70 10.40 10.30 10.10 7.80 Kho ng cách(m) 0.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 7.60 1.70 1.50 2.30 1.30 25.00 25.00 25.00 25.00 2.40 1.80 1.90 2.00 ng án PA1 – 9520 TV8 U*(cm/s) sát đáy 25.00 25.00 25.00 25.00 25.00 TV12 U*(cm/s) sát đáy 6.00 5.60 5.50 4.70 5.90 8.20 9.10 10.60 9.60 8.90 7.60 6.90 Kho ng cách(m) 0.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 TV14 U*(cm/s) sát đáy 2.30 4.10 5.10 5.40 5.50 6.60 6.60 7.20 9.40 9.60 8.60 8.80 Kho ng cách(m) 0.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 U*(cm/s) sát đáy 4.60 5.00 3.60 1.30 3.60 5.50 8.30 8.80 7.60 8.80 8.20 8.90 112 25.00 25.00 10.90 7.80 TV19 Kho ng cách(m) 0.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 U*(cm/s) sát đáy 4.90 5.70 6.80 9.80 10.50 12.40 10.30 14.10 13.80 13.70 9.90 3.30 5.90 50.00 25.00 25.00 TV22 Kho ng cách(m) 0.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 8.20 5.50 5.10 U*(cm/s) sát đáy 4.10 7.90 9.70 10.20 11.60 10.40 11.20 9.90 9.70 9.20 5.70 1.30 6.70 6.40 25.00 25.00 25.00 TV25 Kho ng cách(m) 0.00 12.5 25.0 25.0 25.0 25.0 25.0 25.0 25.0 25.0 25.0 25.0 25.0 25.0 7.60 6.90 6.00 25.00 25.00 8.70 8.20 TV28 U*(cm/s) sát đáy 10.70 10.80 9.20 10.30 9.80 10.50 10.90 10.70 10.50 9.10 5.50 4.80 4.30 4.60 Kho ng cách(m) 0.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 U*(cm/s) sát đáy 9.70 8.80 8.40 9.10 10.20 9.60 9.90 7.60 8.10 7.00 5.60 4.90 6.20 5.40 4.50 25.00 25.00 25.00 TV30 Kho ng cách(m) 0.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 9.10 8.70 7.30 U*(cm/s) sát đáy 9.70 10.00 7.60 8.00 9.60 9.90 8.80 7.90 7.00 6.50 7.20 5.50 1.80 3.30 113 B ng k t qu l u t c ti p đáy Ph TV2 Kho ng cách(m) TV5 U*(cm/s) sát đáy 0.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 TV19 2.60 3.10 3.20 3.80 6.50 8.30 8.50 8.80 7.80 7.30 8.30 8.50 7.30 Kho ng cách(m) TV8 U*(cm/s) sát đáy 0.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 TV22 ng án PA2 – 940 3.10 4.40 4.80 5.50 5.00 10.80 8.90 8.60 9.20 9.20 9.60 9.90 9.00 8.20 6.60 5.80 Kho ng cách(m) TV12 U*(cm/s) sát đáy 0.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 TV25 2.80 3.10 2.30 7.50 9.30 10.30 10.80 12.20 10.80 10.50 10.70 10.50 9.30 Kho ng cách(m) TV14 U*(cm/s) sát đáy 0.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 TV28 3.80 2.80 3.00 3.90 5.90 9.00 7.80 8.20 8.60 9.00 8.70 7.50 3.10 Kho ng cách(m) U*(cm/s) sát đáy 0.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 TV30 2.70 2.80 3.30 5.80 7.80 8.60 8.90 8.40 8.70 7.60 7.40 5.50 2.20 114 Kho ng cách(m) 0.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 U*(cm/s) sát đáy 3.60 4.00 5.60 5.80 6.40 7.80 8.20 8.20 7.50 6.20 2.30 3.00 Kho ng cách(m) 0.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 U*(cm/s) sát đáy 2.20 3.50 5.50 8.60 10.00 8.40 9.00 9.10 10.00 9.40 7.00 2.70 2.40 3.80 Kho ng cách(m) 0.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 U*(cm/s) sát đáy 9.60 10.10 10.30 10.90 11.00 10.70 10.80 10.20 8.50 6.60 4.10 3.80 3.40 3.40 Kho ng cách(m) 0.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 U*(cm/s) sát đáy 10.90 12.60 12.20 12.50 11.30 9.10 9.80 8.40 8.60 7.90 4.40 2.00 1.80 1.90 2.40 Kho ng cách(m) 0.00 12.50 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 U*(cm/s) sát đáy 6.90 8.20 9.70 9.60 8.50 9.00 8.20 7.60 7.80 6.30 1.80 1.90 2.10 2.30 2.20 2.90 115 B ng k t qu l u t c ti p đáy Ph TV2 Kho ng cách(m) TV5 U*(cm/s) sát đáy 0.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 TV19 2.20 3.40 5.60 5.70 9.60 11.10 10.30 9.20 9.50 8.70 11.10 7.80 6.60 Kho ng cách(m) TV8 U*(cm/s) sát đáy 0.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 TV22 ng án PA2 – 3300 3.80 3.60 2.80 2.60 6.20 9.70 8.50 8.50 9.30 8.90 7.70 7.70 6.50 6.10 5.20 5.40 Kho ng cách(m) TV12 U*(cm/s) sát đáy 0.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 TV25 3.40 4.00 2.90 5.00 8.30 8.70 9.10 8.70 8.90 9.20 9.20 8.60 8.20 5.10 2.60 Kho ng cách(m) TV14 U*(cm/s) sát đáy 0.00 12.50 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 TV28 2.60 2.50 3.50 6.20 7.00 8.00 8.40 9.00 8.80 8.70 8.70 8.40 7.90 5.60 3.70 Kho ng cách(m) U*(cm/s) sát đáy 0.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 TV30 3.40 3.80 3.80 5.20 6.90 7.20 9.30 8.10 9.60 9.90 9.00 8.40 8.00 4.90 1.30 116 Kho ng cách(m) 0.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 U*(cm/s) sát đáy 3.80 2.70 6.90 10.60 10.90 8.60 9.20 8.80 5.60 7.70 5.30 3.60 1.80 Kho ng cách(m) 0.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 U*(cm/s) sát đáy 3.40 2.50 4.80 8.60 9.50 10.90 10.50 9.50 8.90 8.90 6.70 5.80 3.30 2.30 Kho ng cách(m) 0.00 12.49 24.99 24.99 24.99 24.99 24.99 24.99 24.99 24.99 24.99 24.99 24.99 24.99 U*(cm/s) sát đáy 5.90 9.80 9.10 10.80 10.00 9.50 10.30 9.00 7.20 6.20 4.00 3.00 2.90 1.90 Kho ng cách(m) 0.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 U*(cm/s) sát đáy 9.00 9.80 9.90 9.40 8.80 9.20 9.10 8.80 8.50 7.60 7.60 2.00 1.90 2.20 2.70 1.30 Kho ng cách(m) 0.00 17.50 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 U*(cm/s) sát đáy 7.30 8.10 8.50 9.60 8.70 9.30 7.50 7.50 7.10 5.20 3.10 2.80 1.80 1.80 2.60 117 B ng k t qu l u t c ti p đáy Ph TV2 Kho ng cách(m) TV5 U*(m/s) sát đáy 0.00 17.50 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 TV19 4.50 5.70 6.00 6.20 9.90 11.80 12.50 11.00 11.70 11.00 10.50 8.80 10.20 8.70 Kho ng cách(m) TV8 U*(m/s) sát đáy 0.00 12.50 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 TV22 ng án PA2 – 9520 3.70 4.50 4.60 4.70 5.50 9.40 11.90 11.40 11.50 10.50 10.50 9.50 8.70 6.70 5.90 6.80 Kho ng cách(m) TV12 U*(m/s) sát đáy 0.00 25.00 25.00 50.00 50.00 50.00 25.00 25.00 25.00 25.00 25.00 TV25 6.10 6.20 5.40 4.50 6.40 8.20 10.80 8.60 7.30 7.80 6.70 Kho ng cách(m) TV14 U*(m/s) sát đáy 0.00 12.50 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 TV28 2.40 3.90 5.30 5.10 5.70 6.70 6.20 7.60 9.20 9.30 8.90 8.90 8.70 8.50 Kho ng cách(m) U*(m/s) sát đáy 0.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 TV30 4.80 4.60 3.50 3.30 3.90 5.20 8.40 9.20 7.50 8.30 8.60 8.60 9.00 7.90 118 Kho ng cách(m) 0.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 U*(m/s) sát đáy 5.20 5.50 7.30 9.00 11.50 11.90 11.90 13.40 13.70 13.00 10.60 5.20 Kho ng cách(m) 0.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 U*(m/s) sát đáy 4.60 7.30 9.40 10.70 11.30 10.20 10.60 10.30 9.40 9.80 5.40 5.20 4.50 Kho ng cách(m) 0.00 12.49 24.99 24.99 24.99 24.99 24.99 24.99 24.99 24.99 24.99 24.99 24.99 U*(m/s) sát đáy 10.20 10.60 8.80 10.70 10.20 9.90 10.60 11.10 9.90 9.50 5.70 4.90 4.50 Kho ng cách(m) 0.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 U*(m/s) sát đáy 9.20 8.50 8.80 9.40 9.90 9.80 9.30 7.50 8.30 6.70 5.30 5.10 5.30 5.10 Kho ng cách(m) 0.00 17.50 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 25.00 U*(m/s) sát đáy 9.90 9.20 8.30 8.40 9.00 9.40 9.20 7.60 6.70 6.80 7.50 5.00 2.40 2.50 119 TÀI LI U THAM KH O Gerrit Jan Schiereck (Hà Lan), Gert Jan Akkeman (công ty Hồng Gia Haskoning, Hà Lan), Erik Mosselman (chun gia hình thái sơng Hà Lan), TS Ph m ình & Ph m Ánh Tuy t (Vi n khoa h c th y l i Vi t Nam) 2006, "Bank Erosion Mitigation Red River Vietnam Towards Anticipating River Training Strategy", (Báo cáo t i H i ngh qu c t l n th v h xói s t l b t i Amsterdam Hà Lan Lê Duy Hàm – Hoàng H u V n, n m 1999, C s th c hành nghiên c u thí nghi m Mơ hình th y đ ng l c cơng trình sơng ngịi c a sơng ven bi n, Vi n khoa h c th y l i Vi t Nam GS.TS L ng Ph ng H u, n m 1986, "Ch nh tr sông", S tay k thu t thu l i, t p IV-NXB Nông nghi p GS.TS L ng Ph ng H u, n m 1992, " ng l c h c dịng sơng", Tr ng i h c Xây D ng PGS TS Lê M nh Hùng, n m 2010, "Tính tốn ph ng án t v n u hành h ch a thu n Hồ Bình, Tun Quang, Thác Bà phòng ch ng l ", Vi n khoa h c th y l i Vi t Nam Tiêu chu n Vi t Nam TCVN 8491:2010 Cơng trình th y l i - thi t k cơng trình b o v b sông đ ch ng l Vi n khoa h c th y l i Vi t Nam, n m 2007, Thuy t minh thi t k c s D án “C i t o nâng c p n v n t i th y Vi t Trì – Tuyên Quang” Vi n khoa h c th y l i Vi t Nam, n m 2009, Báo cáo mơ hình tốn D án “C i t o nâng c p n v n t i th y Vi t Trì – Tuyên Quang” Vi n Quy ho ch th y l i, n m 2009, Báo cáo t ng h p Quy ho ch phịng ch ng l khu v c sơng Lô ll ll ll ll ll l ll l ll l l ll l ll ll ll l ll l l ll l ll l ll l ll l l ll l ll l l l l ll ll ll l l ll l ll l l ll l ll l ll l lll l l l l l ll l l lll l ll l l l l ll l ll l ll ll l l ll l ll l l l ll l l l ll ll l l ll l l ll l ll l l ll l l ll l l l ll l l ll l l l ll l l l ll l l ll l ll l l l l l l l l l l l ll lll R1064 ll lll ll l l ll l l l l ll ll ll l l ll l l ll l l ll l l ll l l ll l ll ll ll ll ll ll l ll ll l ll ll ll ll l ll l ll l l l ll l ll ll l ll l l ll l l ll ll l ll llll l l l l l l l ll l ll l ll l l ll l l ll l ll l ll l l ll l l ll l l ll l l l l ll l l ll ll l l ll ll l l ll l l ll l ll ll ll ll ll l l ll l ll ll ll llll l l l ll l l l l l l l ll l l l l l l ll ll ll ll ll ll ll l l l l l l l l l ll l l l l l l l ll ll ll l l ll l l l l l l l l l ll ll l l l l ll l l l l l l ll ll ll l l l l l l l l l l l ll ll l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l ll ll ll ll ll ll l l l l ll lllll llllllllll l l ll l ll ll ll l ll ll l l ll l ll l ll l ll ll ll l l l ll l l ll l ll ll ll l l l ll l l ll l ll ll ll l l l ll l l ll l ll ll ll l ll l ll l ll l l l ll l l ll ll l ll l ll l l l ll l ll ll l ll l ll l ll l ll l l ll ll l ll ll l l ll l ll ll l ll l ll ll ll l ll l ll ll l ll l ll l l ll l l ll ll ll ll ll ll l l l ll l ll ll l ll l l ll ll ll ll l l l l ll l l ll ll ll l l ll l l ll ll l ll ll l l ll l ll ll ll ll ll l l ll l l ll ll ll l ll l l l ll l l l l ll ll ll l l ll l l ll ll ll l l ll ll l ll l l ll ll ll l l l ll l l ll l ll l l ll ll ll ll ll l l ll l l ll l ll ll l ll l l ll ll ll l ll ll l ll l ll ll l ll l ll ll ll l l ll l ll ll l ll l ll l l ll ll l l l ll lll ll ll l ll l l ll ll ll ll l ll l l ll l l ll l l ll ll l l ll l l ll ll ll ll ll l ll l l ll l l l l ll l l ll ll ll ll ll l ll l l ll l l l l ll l l l ll ll ll ll l l l ll l l l ll ll ll l l l ll l l l l ll l l l ll ll ll ll ll l l ll l l l l l l l l ll ll ll ll l ll l ll l l ll l l ll ll l l ll l l l ll ll ll ll l ll ll ll l l ll l l ll l l l ll l l l ll ll ll l ll ll l ll l l ll l l ll ll l l ll l ll ll ll l ll ll l ll ll l ll l l l l l l ll ll ll ll ll l l l l ll ll l ll ll lll l ll ll ll l l l l l ll l ll ll ll ll l l l l ll l ll ll l ll l ll l l ll l ll l ll ll l l l l l l ll ll ll l l l l ll ll ll l ll ll ll l ll l ll l ll ll ll ll l l ll l ll l ll ll ll ll ll ll ll ll ll l ll l l ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll ll ll ll ll ll l ll l l ll ll l ll ll ll ll ll ll ll ll ll l l ll l ll ll ll ll ll ll ll ll ll ll ll l ll l l ll ll ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll l ll ll l ll ll ll ll ll ll ll ll ll l l l l l ll l ll l l lll l l l l l ll ll ll l l l l ll ll l l ll l l l ll ll l l l l ll ll lll l l ll l l l ll ll ll l l ll l ll l l l l l ll ll ll ll l ll l l ll l l l l ll l l l ll ll ll ll ll ll ll ll ll l l ll ll ll ll ll ll l l ll l l l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l l llll l l l l l l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll ll l l l l l l l ll ll ll ll l l l l l l l l l l l l l ll ll ll ll ll ll ll ll ll l ll ll ll ll ll ll ll l l l ll l ll ll ll ll ll ll ll ll l l l l l l l l l l l l l ll ll ll ll ll ll l l l l l l l l l l l l l ll ll l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l l l l l l l l l l l l l l l l ll ll ll ll ll ll ll ll ll l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l ll ll ll ll ll ll ll ll l l l l llllllllllllll llllllll lllll llll llllll llll m 250.0 ll ll ll l l ll l l ll l l ll l l ll l ll ll ll l ll l ll ll ll l ll ll ll ll ll ll ll ll l l ll ll ll ll ll ll ll ll ll ll ll l l ll ll l l ll ll ll l ll ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll ll l ll ll ll ll ll ll ll ll l ll ll l ll ll ll ll l l ll ll ll l ll ll llll l l l l l l l l l l l l ll l l l l ll l ll ll ll ll ll R885.7m l l ll l ll l ll l ' ll ll ll 9m ll l ll l ll l ll l l ll l l ll l l l ll l ll ll ll ll ll l ll ll ll ll l ll ll ll ll ll l lll l lll l lll l lll l l l l l l l l l l l l l l lll l ll ll ll ll 0m ll ll ll ll l ll l l ll l l lll l lll l l ll l l l ll l l l l l l l l ll l l l l l l ll ll ll ll ll ll ll ll ll l l ll l l ll l ll lll l lll llll 250 ll l ll l l ll l l ll l l ll l l ll l l ll l l ll ll l ll l l ll l ll ll l ll ll ll ll ll l ll l l l l ll ll ll ll ll ll ll l l l ll l l ll ll l ll l ll ll l ll l l l ll ll ll ll ll ll ll lll l ll ll ll ll ll ll ll ll ll ll ll l l l l ll l l l l ll ll ll ll l l l l l ll l l l l l l l l l ll ll ll ll ll ll ll l l l ll ll ll l l ll ll l l ll ll l ll l ll ll l l l ll ll l l l l l l l l l l l l ll l l ll l l ll l l ll l l l l l ll ll ll ll ll ll ll ll ll ll l l l l l l l l l l l l l l lll lll lll lll ll ll ll ll ll ll ll l l l l l l l l ll ll ll ll ll ll l l l ll l l l l l l l l ll ll ll l l l l l l l l l l l l l l l l l l l l l llll lllllllllllllllll l l l l l l l l l l ll ll l l l l l l l l l l l l l l l ll l l l l l ll ll ll ll ll ll ll ll ll l l ll ll ll ll ll ll ll ll l ll ll l ll ll ll l ll ll ll l l ll l l ll l l ll l l ll l l ll l l ll l ll l l l ll l l ll l l ll l ll l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll ll l ll l ll ll ll ll ll ll ll ll ll l ll ll ll l ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l ll l l ll ll ll ll ll ll ll ll ll ll hình 2.10: Mặt tuyến chỉnh trị l ll ll ll l lll ll l ll ll ll l ll lll l l l l l ll l ll l ll ll ll l ll ll l ll ll l l l l l l l l l l l l l l ll ll l l l ll ll l lll l l l l l l l l l l l l l ll ll l l l l l l l l l l l l l l l l l l l ll ll ll l l ll l ll ll ll l l l l ll ll ll l llll ll ll l l ll ll l ll l lll lll ll ll ll ll ll ll l llll lll l ll l llll l ll ll l llll l l l l l l l l l l ll ll ll ll ll ll ll ll l llll l l l l l l l l l l l l l l l l l l l l l l l l ll ll l l l ll ll ll ll ll l ll ll lll l ll ll l l ll ll l l ll ll ll ll l ll ll ll ll ll ll ll 31d25' l ll ll l l l l l ll l l l l ll l d4 ll 55 l ll l l ll ll l l ll ll l l l l ll l ll l ll ll ll ll ll ll l ll ll ll ll ll l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll ll ll ll ll ll ll ll ll ll ll ll l l ll ll ll ll ll ll ll ll ll l l ll l l ll l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l ll ll l l ll ll l l ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l ll l l ll l ll ll ll ll ll l ll ll ll l ll l ll ll ll ll ll ll ll l ll ll l l l l l l l l l l l l l l l ll l l ll ll l l l l l l l l l l l l l l l l ll ll ll l l l l l l ll ll ll ll ll ll ll ll l ll ll l l l ll l l l l l ll l l l l l llllll l l l l l l l ll ll ll ll ll ll ll ll ll ll ll ll l l l ll l l l l l l ll ll ll ll ll ll l l l l l llllll l l l l l l l l ll ll ll ll ll ll l l ll ll l l l l l l l l l ll ll l ll ll ll l l l l l l llll l l l l l l ll ll l l l l l l l l ll ll ll ll ll ll ll ll ll ll ll ll ll l l l l l l l l l l l l llll l l l l l l ll ll ll l l l l l l ll ll l l ll ll ll l ll ll ll ll l l l l l l l l l l l l l l l l l l l ll ll ll ll ll ll ll ll ll ll ll l l l l ll l l l ll ll ll ll ll ll ll ll ll ll l ll ll ll ll l l l l l ll l l l l l l l l ll ll l l l l l l l ll ll ll ll ll ll ll ll ll ll l l l l l l l l l l l l ll ll ll ll ll ll ll ll ll ll ll l ll ll ll ll l l ll ll l l l l l l ll ll ll l l ll l l l l l l l l l l l l l l l l ll l l l l l l l lll ll ll ll ll l ll l l l l l l l l l ll ll ll ll ll ll l l l l l l l l l l l l l l ll ll ll ll ll ll ll ll ll ll l l l l l l l l l l ll ll ll ll ll l l ll ll l l l l l ll ll ll ll ll ll l l l l l ll l l l l l ll ll ll ll ll ll l l l l l l l l l ll ll l l l l ll ll ll ll ll ll ll ll ll l l l l l l l l l l l l ll ll ll ll ll ll ll ll ll ll ll l l ll l l ll ll l l l l l ll l ll ll ll ll l l l l ll ll l l l l l ll l l l l l l l ll l ll l l ll l l l ll ll l l l l l ll l l l l l l l ll ll ll l l l l l l l l l l l l l l l l l l l l l ll ll ll ll ll ll ll ll ll ll l l ll l l ll l l l ll ll ll ll ll l ll l l ll l l l l l l l ll ll l l l l l ll l ll ll ll l l l l l l l l ll l l l l l l l l l l l l l l ll ll ll ll ll ll ll ll ll l ll ll ll l ll ll ll ll l l ll l l l ll ll l l l l ll ll l l l l l l l l l ll ll ll l ll ll ll ll ll ll ll l ll l l l l ll l ll l l l l l l l l l l l l l ll ll ll ll ll ll ll ll l l l ll l l ll l l l l l ll l l l l l ll l l l l ll l l l l l l l ll ll l l l l ll l l l l l ll l l ll l l l ll l l ll l ll l l l l l l l l l l ll ll ll ll ll ll ll l l l ll ll ll l ll l l ll l l l l l l l l l ll l l l ll ll ll ll l l l l ll ll ll l ll ll l l ll l l l l l l l l ll ll ll ll ll ll l ll ll ll l l ll ll ll ll l l l ll ll ll l ll l l ll l l l l ll l l l l l l l l ll ll ll l l l l ll ll l l l l l l l l ll ll ll ll ll l l l l l l l l l ll l l l ll l l ll ll ll l ll ll l ll ll ll l l ll ll ll l l l l ll l l l l ll ll ll ll l ll ll ll ll l l ll l l l ll l ll ll ll l l ll ll ll ll l l l l l l l l ll ll ll ll ll l ll l l l ll l l l l ll l l ll l l l ll l ll l ll l l l l l l ll l l l l l l l l ll ll ll ll l l ll l l l ll l ll l l l l l ll l l ll l l ll l l ll ll ll ll ll ll ll ll ll ll l l l l ll ll ll ll l l l ll l l ll l l ll ll ll ll ll l ll l l ll l l ll l ll l l ll l l l ll ll l l l ll l l l l l ll ll ll l l l ll l l l l ll l l l l ll l l ll l l l ll l l ll ll l l l l l l l l ll ll ll l ll ll l l l l l l l l l l ll l ll ll ll l ll l l l l ll l l ll ll l ll l l l ll ll l l l l ll l l l ll l l l lll ll l ll l l ll ll ll l ll ll l ll l ll l l ll l ll ll ll ll ll l ll l l ll ll l ll l l ll ll ll ll ll l ll l ll ll l ll l ll ll ll ll ll l ll l ll ll l ll ll l l ll l l lll l ll ll l l ll l ll l l ll ll ll l l ll l l ll l l ll l l ll l l lll ll ll l l ll l l ll l l ll l l ll l ll l lll l ll l l ll l lll l l l ll l ll l ll ll l l ll l l ll l l ll l l ll l ll l ll l l lll l lll l lll l lll l ll l l lll l lll l lll l lll l lll l lll l lll l l l ll ll ll l l l l ll l l l l ll l ll l l l l l ll ll ll ll l l l ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll l ll ll ll l ll ll ll ll ll ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l l l l l ll l l ll l l ll l l ll l l ll l ll ll ll l l l l l ll l ll ll ll ll ll l ll l l ll l l l l l l ll l l ll l l l l l ll l l lll l ll ll l l ll l l l l l l l l l ll ll l l l l l l l l ll ll l l lll l l l ll l l l l ll l l l l l l l l l l l l l l ll l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l ll ll l ll ll lll l l l l l l l l l l l l l l l l ll l l l ll ll l l ll l l l l l l l ll l l l l l l ll ll ll l l l l ll ll l ll ll l l l lll l ll l l ll ll ll ll l l l l l l l l ll l l lll l ll l ll l ll ll ll l l ll lll l ll l l ll l l ll l ll l ll ll ll ll ll ll l ll ll lll l l l l l l l l l l l ll l l ll ll l l l l ll l l l l ll l l lll ll ll ll ll ll ll ll ll ll ll ll ll l l l ll l ll ll ll l l l l l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll ll l l l l ll l l l ll l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l l l l l ll ll ll l ll l l ll ll ll ll l ll ll ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll ll ll ll ll ll ll ll l ll ll ll ll ll ll l l ll ll ll ll ll ll l ll l ll ll ll l ll ll ll ll ll l ll ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l l l ll ll l l ll ll l ll l l ll ll l l l l ll l l l l ll l l l l ll l l l l ll l l l l ll l l l l ll l ll l l ll l ll ll ll ll Km:67+00 l ll l l lll l lll l lll ll ll l ll l ll ll ll ll ll ll l ll l l lll l lll l lll l lll l lll l lll l lll l lll l ll ll ll ll ll llll ll l ll ll ll ll ll ll lll l l l l l l l l l ll l l l l ll ll l l ll ll l ll l ll ll ll lll ll l l ll ll ll l l ll ll ll ll llll ll ll ll ll ll l l ll ll ll l l ll ll l l l l l l ll l lll l l l l l l l l l l l ll l l ll l l l l ll l l ll ll ll ll l l ll ll ll ll ll l ll l lllll l llll l l ll l l ll ll l ll ll l l ll l l l ll l l ll l l l l l l ll ll ll ll ll l l l l l l ll l ll l ll l ll ll ll l l l ll l ll l l l ll l l l ll ll ll ll ll ll ll ll l l l l l l ll l ll ll ll ll l l l l l ll ll ll l ll ll l l ll lll l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l l l l l l l l l l l l l l l l lll l ll ll l l l l l l ll l l l l l ll l l l l ll l l l l ll l l l ll l l l l ll ll l l l ll l lllll l ll ll ll ll l ll lllll l ll ll ll ll l ll ll lllll l ll l l l l l ll ll lllll l ll ll ll l ll l l l l l l l l l l l l l l l l l l l l l l l l l l l l ll l l l l l ll l l l l l l l l ll ll l l l l l ll l lll l l l l l l l ll ll ll l l ll l l lll l lll l lll l lll l lll l lll l lll l lll l lll l ll ll l l l l lll l l ll ll l l ll ll l l l l l l ll ll ll l l l l l llll lll l l l l l l l l llll l ll ll l l l l l ll l l l l l l l l l ll l l lll l l l l l l l ll ll l l l l l l l l llll l l l l l l l l l l l l l l l l l l l l ll ll ll ll ll ll ll ll ll ll ll lllllllllllllllllllll lll ll ll ll l l l l l l l l l l l l l l l l l l l ll lllll llll ll ll ll ll l l l lll ll ll ll ll ll l l l l l l l l ll l ll l l llll l l l l l l l l l l l llll l l l ll l l lll ll l l l l l l l l l l l ll l l l ll llll l l l l l lll l llll l l l l l l l l l l l l llll llll l l l l l l l l l l l l l l l l l l l l l l l l l l ll ll ll ll l ll l l l l ll l l l l l l l l ll ll l l l llll l ll l l lll l lll l lll l lll l lll l l ll l ll l l ll l ll l ll ll ll l l l l l ll l l llll l l l ll l llll l l l l l ll l l l l l l ll ll l l l ll ll l l ll llll l ll l l lll l lll l lll l lll l lll l ll ll l l ll l l l l lll llll l l llll l ll l ll l ll ll ll ll ll l ll l ll ll ll ll ll ll ll ll ll ll l ll ll l ll ll ll ll ll ll ll l ll l l ll ll l ll ll l ll ll ll ll ll l l l ll l ll l l ll l l l l l ll ll l l ll ll l l ll l l l l ll ll l ll ll l l ll ll l l ll l ll l l ll ll l l ll ll ll l l l ll ll l l l l ll ll l l ll l l l ll ll l l ll l l l l l l ll l l ll ll ll ll l llll 75d29 :66 +0 llll l l ll l l l l l ll l l l l ll l l l l ll l l l l ll l l ll l ll l l lll l lll l lll l lll l lll l ll ll l l l l ll l llll l ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll ll l llll l ll l l ll l l ll l l ll l l ll l ll lll l l l ll l ll l l l l l l l l l l l l ll l l ll l l ll l Km l l l llll l ll l l lll l lll l lll l lll l l ll l ll l l lll l lll l lll l lll l lll l lll l l ll l lll l l ll l l ll l lll l lll l l ll l lll l l ll l lll l l ll l l l ll ll l l l l l ll l l l l lll l l l ll l l l ll l l l ll ll l l ll l l l ll l l ll l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l ll l ll l ll l l ll l l lll l ll l ll l l l l ll l ll l ll l l lll l lll l lll l ll l l lll l lll l lll l l ll l lll l lll l lll l lll l l l l ll l ll ll ll l l ll l ll l l l l l l l l l ll ll l l l l ll l ll l ll ll ll ll ll ll ll ll l ll l l l l ll l l ll l l ll l l ll l ll l ll l l ll l l ll l l ll l ll l l lll ll l l ll l l ll l l lll l lll ll l ll l ll l lll l ll ll lll l l l l l l l l l l l ll l ll l l l l ll l ll l ll l l l l l ll l ll l ll l ll l l l l ll l lll ll l l l l l l l l ll l ll ll l l l ll l ll l ll ll l ll l l Biªn tuyến chỉnh trị bờ tả ll ll ll l l l l l l l l ll l l l l ll ll l ll l l l l l l ll l l ll l ll ll ll l ll l ll l ll ll l l ll l l l ll l l l l ll l ll l ll l ll l ll l ll l l l l l l ll l l l ll ll ll ll l l ll l ll l l l ll ll ll l ll l l l l ll l ll l ll ll ll l ll l ll ll l l ll l l lll ll l ll ll l ll l ll ll l l ll ll l l ll ll ll ll ll l ll l l ll l ll ll l l ll l l l ll ll l ll l l l ll l l ll ll l ll l ll ll l ll l ll l ll ll l l ll ll l ll l ll l l ll l ll l l ll l l ll ll ll l ll l ll l ll ll ll ll l ll l ll ll ll ll l ll l ll ll l ll ll l ll l l ll l ll ll l ll l l ll ll l l l l ll ll ll l ll l ll l l ll l l ll ll ll l l ll l ll l l ll l l ll ll ll ll ll l l ll l ll l l l ll l l ll ll ll ll l ll l l ll l l ll ll ll ll ll l l l l ll ll ll ll l l l l ll ll ll ll l l l l ll ll l l l l ll ll ll l l l l l ll ll ll ll l l l l ll ll ll ll l l l l ll l ll ll l l l l ll l ll l l ll l l l ll ll ll ll l l l l ll ll ll ll l l l l ll ll ll ll l l l l ll ll l l l l ll ll l l l l ll ll l l l l ll ll ll ll lll ll ll ll ll l l ll l l ll ll ll l l ll ll ll ll l l l l l l ll l l l l l l l ll l ll ll l l l l l ll l ll ll ll ll l l l l l ll l ll ll l l l l l ll l l l l l l ll l ll ll l l l l l ll l ll ll l l l l l ll ll l l l l ll l ll ll l l l l l ll l l l l l l ll l ll l l l l l ll ll ll ll lll l ll ll l l l l ll ll ll ll ll l ll l ll l l ll l l ll ll ll l ll ll l l l l l ll l ll l ll l l l l l ll l ll l l l l l ll l ll ll l l l l l ll ll ll ll lll l ll l lll l l ll ll l l l l ll ll ll ll ll ll l l l l ll l l ll ll ll l l ll ll l lll l l l l l l l ll ll ll l ll ll lll l ll ll l l l l l ll ll l ll l lll l ll l l l l ll ll ll l l ll ll l l ll l l l l l l ll ll ll l ll ll lll llll l llllllll ll ll ll l lll l l ll l l ll l l l l ll ll ll ll ll l lll l ll ll ll ll ll l l l l ll ll l ll ll ll ll l ll ll ll ll ll ll l ll l l l ll ll l ll ll ll ll ll lll ll ll ll ll l ll l l l ll ll l ll l ll ll l l l l l ll l ll ll lll ll ll ll l ll lll l ll l ll ll l ll l l ll l l l ll l l ll ll l ll l l l ll ll l ll l ll l ll l ll l ll l l l l ll l ll l ll l l l ll l l ll ll l l ll l l ll ll l ll l ll l l l ll ll l ll l l ll l ll l ll l ll l ll ll l l ll l ll ll l l ll l ll l ll l l l ll l l ll l l l ll l l l ll l l ll l l ll l l ll l l ll l ll l l ll l l ll l l ll ll l l l ll l ll l l ll l l l ll l l ll l l ll ll ll l l l ll l ll l ll l ll ll l ll l l l ll l l ll ll ll l l l ll l ll l ll l ll ll ll l lll l ll l ll l ll l l ll ll ll ll ll ll ll l l ll l l l ll l l ll ll ll l ll l l ll l ll l ll l ll ll ll ll l l ll ll ll l l l ll l ll l ll ll ll ll ll ll ll l l ll l l ll l ll l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l l l l l l l l ll l l l l l ll ll l l l l l l l l ll ll ll ll l ll l l l ll ll ll ll ll ll ll ll l l l l l l l l l l l l l l l l l l l l l l ll ll ll ll l l l l l l l ll ll ll ll l l l l l l l l ll ll ll ll ll l l l l l l l l l l l l l l l l l llllll l l l l ll ll ll ll l l l l l l l l l ll l l l ll ll ll ll l l l l l l l ll l l l ll ll ll ll l l l ll ll ll l l ll ll ll ll ll ll ll l l ll ll l l l l l l ll l l ll ll ll ll ll ll l l ll l l l l ll ll ll lll l ll ll ll lll l ll ll ll lll l l ll ll ll l l llllllllll l l ll ll l l l ll ll l l ll ll ll l l ll l l l ll ll ll l l ll l l ll ll ll l l l ll l l l l ll l l ll l l ll l l ll l l l ll l l ll l l ll l l ll l l ll l l ll l l ll l l l ll ll l l l l ll l l ll l l l l l ll l l l l ll l l ll l l l l ll l l l ll l l ll ll l l l ll ll ll l l l ll l l l ll l l l l ll l l l ll l l ll l l l ll l l l ll ll l ll ll ll ll l ll l l l ll l ll ll l l ll l ll ll l l ll ll l l ll l l l l ll ll ll ll ll ll ll ll ll l l l ll ll l l ll l ll ll ll l l l ll ll l l l l l ll ll l l l l l l ll l l l l ll l lll l l ll l l l l l l l l l l l l l ll ll ll l l ll l l ll lll l l ll l lll l ll lll l l l l ll lll l ll ll lll l ll ll l lll l ll ll ll l l ll l l l l lll l ll ll lll l l ll ll lll ll l l ll l ll l ll l l l ll l ll l l l ll l l ll l ll l ll l l ll lllll lll l l ll l l l l l l l lll l ll l ll l ll l l l l ll l lll ll l ll l llll l l l l l l l l l l l l l ll l l ll l l l l l l l l l l ll l l l l ll ll ll ' l ll l l l llll l l l ll l l ll l l l l l l l ll l l l ll l ll ll ll ll ll l l l ll ll l ll ll ll ll ll ll ll ll ll l ll ll ll ll l l ll ll ll ll ll l lll l ll ll ll ll l l ll ll ll l l l l l l ll l ll ll ll l l l l l l l ll ll ll l l l ll l l ll l lll ll l l l lll ll ll l ll l ll ll ll l lll ll l l l ll l ll l ll ll ll l ll l l 55d34 Biªn tuyÕn chØnh trị bờ hữu l ll l l ll l l ll l l ll l l ll l ll ll l ll l l l l ll l l ll l l llll l l l l l l l l l l l l l l l l l l ll l l llll ll l l l ll l l l l l l l l l l l l l l l l l l l l l l ll ll ll l l ll l l ll ll l l ll l ll l ll ll ll l ll ll ll ll ll ll l ll ll ll ll l l l ll ll ll ll l l l ll ll l ll l ll l l ll ll ll ll l ll ll l ll ll ll l l l l ll l ll ll ll l ll ll ll l ll l ll l l l ll ll ll ll ll ll ll ll ll l l ll l ll ll l l ll l l ll l ll ll ll ll l l ll ll ll l l ll ll ll ll ll ll ll l ll l ll l l ll ll l l ll ll l l ll l l ll l l l l ll l ll ll ll l l ll l ll l l ll ll ll ll l l ll ll ll l l l ll l l ll l ll l l ll l ll ll l l l l l ll l ll ll l ll ll ll l ll ll ll l ll ll ll ll ll ll ll ll l l ll ll l l ll ll ll ll ll ll ll ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l ll ll ll ll l l l l l ll l ll l ll ll ll ll ll l l ll l ll l l ll l l ll l l ll l l ll l l ll l ll l ll ll ll ll l ll ll ll l l l l ll l l ll l l ll l l ll l ll ll ll ll ll ll ll l l ll l l l ll ll l ll l l ll l l ll l ll ll l l ll l l ll l l l l l l ll l l lll l lll l ll l l ll l l ll l l ll l l ll l l ll l l llll ll l :65 +0 ll l l l l ll ll l l ll l ll ll ll l l ll l ll ll l ll ll l l l l l l ll l l l l l ll l l l l l ll l l ll l l ll l l ll l llll l l l l ll l Km ll l l l l ll ll l l l l ll l l llll ll l ll ll l l l ll l l ll l l l ll ll ll l ll l ll l l llll l ll ll l l l l l ll l l l m l lll llll ll l l ll l ll ll l l ll ll ll ll ll ll l ll ll ll ll ll lll lll llll l l ll l ll ll ll 80 R8 ll ll ll ll ll ll ll ll ll R1000.0m ll ll l l l lll l l l ll l ll l ll ll ll l l llll ll ll l l l ll l l ll l ll l l l l l l l l l l l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll lllllll ll ll ll l ll lllll l l ll l l ll l ll l ll l l l l l l lll l ll l ll l l ll l ll ll l ll l l ll ll ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll l l ll l ll l ll ll l ll l l ll l l ll l l l l ll ll ll ll l l l l l l l l l l l l ll l l ll l l l l l l l l l l l l l l l l l l l l l l l ll ll ll ll ll ll ll ll ll ll ll ll ll l ll l l l ll l l l ll ll ll l l ll l ll ll ll ll ll l l l l l llll l l l l l l l l ll l l l l l ll ll ll ll ll l l l l llllll l l l l ll ll ll l ll ll ll ll l l l ll ll ll ll l l l l l l l l l l l l l l l ll ll ll ll ll ll ll ll l l ll l ll l l l ll l l l l ll ll l l l l l l l l ll ll ll l ll ll l l l l l l l l l l l ll ll ll ll ll ll ll ll l ll ll ll l l l ll ll ll ll l l l ll l ll l l l ll ll l l l ll ll l l ll ll l l l l l l l l l l l ll ll ll ll ll ll l ll ll l ll ll l l l ll l ll l ll l l ll ll l ll ll l l ll ll ll ll l ll ll l l l l l l l l l l l ll l l l l ll l l l l ll ll l ll ll l ll ll l ll ll l l l ll ll l l l l ll ll ll ll ll l ll ll l l l ll l l l l l ll l l ll l ll l ll ll ll ll ll l l l ll l l l l l l l l l l l l l l l l ll ll l l ll ll ll l ll ll l l l l l l l l l l l l l l ll l l ll ll l l ll ll ll ll ll l ll l l l ll ll l ll l ll l ll l l l ll ll l l l ll ll ll l ll l ll ll l l l ll ll l l l ll ll ll ll ll ll ll l l ll l ll l ll ll ll l l ll l l l ll ll l l ll ll l l ll l l ll ll l ll l l l ll l l l ll l l l ll ll ll ll ll l l l ll ll l l l l ll l l ll ll l l ll l l l ll l l ll ll l l ll ll ll ll ll ll ll ll l ll ll l l ll l l l l ll l l ll ll l l ll l l ll ll l ll ll ll l l l l l l l ll ll l l l l l l l l ll ll ll l l l l l l l l l ll ll ll ll l l l ll l l l ll ll l ll l l l ll l l l ll l l ll ll l l l l l l l ll ll ll l l ll ll l l ll ll l l ll l l l l l ll ll ll l l l ll l l l l ll ll ll l ll ll ll l ll l ll l ll ll ll l l l l l ll ll l ll ll l ll ll l l l l l ll ll l ll l ll l ll ll ll l l ll ll l lll l l l l ll l ll ll ll ll ll l l l l l ll l l l ll ll l l l l l ll l l l l ll ll l ll l l ll ll ll l ll ll l l ll l ll l l ll ll ll l ll ll l l ll ll l l l l l ll ll l ll ll l l l l l ll l l ll l l ll ll ll l l ll l l ll ll l ll l l ll ll ll ll l l l lll ll l ll ll ll l l ll l l ll l l l ll ll ll ll ll l l l lll ll ll ll ll l l l l l ll l l ll ll ll l ll ll ll l l l ll l l l l l l ll ll l ll l l l ll l ll ll ll l ll ll l l ll ll ll ll ll l l l ll l l ll ll l l ll l l ll ll ll l ll ll l l l l l l ll ll ll ll l l l l ll ll l l l l l l ll ll lll l l l l l ll ll ll l l ll l ll ll l ll l l ll ll ll l lll l l ll ll l l l ll ll ll ll ll l ll l l ll ll l ll ll l l l l l l ll l ll ll ll l l l l ll ll l ll ll ll l ll l l ll ll ll ll l l l ll l ll l l ll l l ll ll ll l l l ll l ll ll l ll ll l ll l l ll l l l ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll l ll l ll ll l ll l ll ll l l ll l l l ll l ll ll ll ll ll l l l l ll l ll ll l ll l l ll ll ll ll l ll l ll ll l ll l ll ll l l ll l l ll l l ll ll l l ll l l ll l l ll l l ll l l ll l l ll l ll l l ll l l l l l l l l ll l ll l ll l l ll l l l ll l ll l ll ll l l l l l l l ll l l l l l l l l l l ll ll l ll l ll l ll l ll ll l ll ll ll ll ll ll ll ll ll l ll l ll ll lll lll llll llll llll ll ll l ll l ll ll ll ll ll ll l l ll l l ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l l l l ll ll ll l ll ll ll l l ll ll l ll l l ll ll ll l ll ll l l l l ll ll ll ll ll ll ll l l ll l ll l ll l l l ll ll l ll ll ll l ll l l ll l l ll l ll ll l l ll l ll l ll l l l ll l l l l l l l l l l l l l l l l ll l l l l l lll l l l l ll l ll l ll l ll ll ll ll l ll ll ll ll l l l ll ll ll ll l ll l ll l ll l l ll ll llll ll ll l lll lll ll ll l ll l l ll ll l l l l ll l ll l l ll ll ll ll l l ll l l ll ll lll ll l ll l ll ll ll l ll ll llll llll lll llll l ll l l ll lll ll lll ll l ll l ll l l lll l lll l l lll l ll ll l ll ll l lll ll ll ll l ll l l l ll l l lll l lll l lll l lll l l ll l lll l lll l lll l ll l l l l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l l l l l ll ll ll ll l ll ll ll lll l l l l l l l l ll ll ll ll ll ll ll ll ll ll l ll l ll ll ll ll ll ll ll llll l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l ll lll ll l ll l l ll ll ll l l l 0m ll ll l ll ll ll l ll l l l l l l l l l l lll l l l l l l ll l l l l l l l ll l l l ll ll ll l ll ll l l l l ll l l ll ll ll l l ll ll ll ll ll ll ll l ll l l ll l ll ll ll ll l ll ll ll l ll l l l ll l l l ll l ll l l ll l l ll l l ll ll ll l l l ll ll ll ll ll ll l ll l l ll l ll ll ll l ll l ll ll ll ll ll l l ll ll ll l l ll l l ll ll l ll ll ll ll l ll ll llll l l l l l l l 25 ll ll ll ll ll ll ll l l ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll ll l l ll l ll ll ll ll ll l l ll ll ll l ll l l ll ll ll l ll ll ll l ll l l ll ll ll ll ll ll l l l l l ll ll l ll ll ll ll ll ll ll l 0m ll ll l l ll l ll ll ll ll l 250 ll l l l ll l ll l ll ll ll l l l ll l ll ll ll ll l l l l l ll l ll ll ll l l l l l l l l l l ll l l l l lll l l l l ll l l l l l l l l l l l ll l l l ll l l l l l l l l l l l l l l l l l l ll l l l l l l l l ll ll l l l l l ll l l l ll l l l l l l l l ll l ll l l l ll ll l l l ll l l l l l l l l lll l l l l l l l l l ll l l l l l l l l ll l l l ll ll ll l l l l l l l l l lll l l l l l l l l l ll l l l l lll lll ll ll ll lll ll l l l l l l l l l l l l l l l l l l l l l l l ll ll ll ll ll l l l lll l l l l l l l l ll lll l l l l l l ll ll ll ll ll ll ll ll l l l lll l l ll l l l l l l l llll l l l l l l l l l l ll l l l l l l l lll l l l ll l l l l l l l ll lllll l l ll l l l lll l l ll l l l l ll l l l l l ll l l l lll l l l l l l l ll l l l ll l l ll l lll l l l l l l lll l llll l l l l l l l l l ll ll ll ll ll ll ll ll l l l l l l l ll ll l l ll l l l lll l lll l lll l ll l l l l l l l l l l l l l l l ll l l l l l ll l l l ll l ll ll l l l l ll l l l l l l ll l ll ll l l l l l ll l l ll l l l l l l ll l l l ll ll ll l l l l ll l l l l ll l ll ll lll l l ll l l ll ll l ll l l l ll l ll ll l l ll l l l ll l l ll ll ll ll ll ll ll ll l ll lll l ll ll ll ll lll l ll ll ll ll ll ll lll l 19.49 l ll l ll l l ll l l ll l l ll 19.91 l ll l l l ll l ll l l l l l ll l ll l l l ll l l ll l ll l l l l l ll l l ll l ll ll l l l l l l l l l l l l ll ll ll l l l l l l l l l l l ll ll l l l ll l l l ll ll l l l ll ll ll l l l l ll l l l l l ll ll ll l l l ll ll ll l l l l l ll ll l l l ll l l l ll ll l l l l l l l l ll l l l ll ll ll l l l l l l l l l l l l ll ll ll l l l l l l l l l ll ll ll l l ll l l l l l l l l ll l l ll ll ll l l l ll l l l l l ll ll ll l l ll ll l l l l l l l ll l l l l ll lllllll l ll ll ll ll l l l ll l ll l l l ll l l l l l ll ll ll l l l ll l l l l l l l l l ll ll ll l l ll l l l l l ll ll ll l l ll ll ll ll l l l l l l l l ll l l l l l ll ll l l l ll l l l l l l l l l l l l l l l l l l l l l l l l l l ll l l l l l l l ll l l ll l l l l l l ll l l l l ll l ll l ll l l l l l l l l l l l ll l l l ll ll ll ll ll ll ll l l l ll ll ll ll ll ll ll ll l ll l l l l l l l l l l l l ll l ll ll l l l l l l l l l l l l l l l l l l l l l l l l ll lll lll lll lll ll ll ll l l l l l l ll ll ll l l lll ll l l l ll l l l l l llll l ll l l l l l l l l l l l l l l l l l ll l l l l l ll l l ll ll l l l l l ll l l l l l l ll l l l l l ll ll ll l l l l l l l l :64 +00 l l l l ll l ll l ll l l l l l ll l llll l l l l l Km ll l l l l l l l l ll l l ll l l l ll l ll l ll l l l ll l ll l l ll l ll l lll R100.0 l l ll l l l ll ll ll ll l l ll l ll l ll ll ll l l ll l l ll l ll l l ll l l l l l l ll l l l l l ll l l l l l l l l ll ll l l l l l ll l l l l l l l l l l l ll ll l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l ll l l l ll l l ll l ll ll ll l ll l ll l ll l ll l l l l l l l l ll l ll l l ll l l l l ll l l lll l ll l l ll l l ll l l ll l ll ll l l l l ll l ll l l ll l l l ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll lll l l l l ll ll ll ll l l ll ll l l ll ll l l ll ll ll ll ll ll l l l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l l l l l ll ll ll l l ll ll l ll ll ll ll ll ll ll ll l l l l l l ll ll ll ll ll l l l l l ll ll ll ll ll ll ll ll ll ll ll ll ll lll ll l l l l ll ll ll ll ll ll ll ll ll l l l l l l l l l l l l l l l l l l ll l l l l l l l l ll l ll l l ll l l ll ll l ll ll l ll ll l ll ll ll ll ll l l ll l ll ll l ll l ll l l ll ll ll l ll ll l ll ll ll l ll ll ll ll l ll l ll ll lll l l l l l l l ll l l l l l ll l l ll l ll l ll ll l l l l l ll l l l l ll ll l l ll l ll l l ll l l ll l l ll l l ll ll ll l l l l ll ll l l l l ll ll l l l l ll l ll l l l l l l l ll l l l l l ll ll l l ll l l lll ll l l ll l l lll l lll l lll l lll l lll l l l l l l ll ll l l l l l l l l l l l l l l l l l l l l l l l l l l l l ll ll ll ll ll ll ll ll l l l l l l l l l l l l l l l l l l l l l l l l ll ll ll l l l l l l l l l 20 20 l·o hoµng 33d17 R1083.1m R1449.8m Km:68+900 Km:64+00 9.9 250.0m 9.4 R100.0 250.0m Km:68+600 R880.7m R1064.9m Km:65+00 250.0m R3889.7m Biªn tuyÕn chỉnh trị bờ hữu Km:68+00 55d44' 55d34' 75d29 R885.7m Biên tuyến chỉnh trị bờ tả Km:64+00 Km:64+200 Km:64+400 Km:64+600 31d25' Km:67+00 250.0m Km:64+800 Km:68+600 Km:65+00Km:65+200 Km:68+400 Biên tuyến chỉnh trị bờ hữu Km:65+400 hình 2.10: Mặt tuyến chỉnh trị Km:68+200 Km:68+00 Km:65+600 Km:67+800 Km:65+800 Km:66+00 Km:67+600 Biªn tuyÕn chØnh trị bờ tả Km:66+200 Km:67+400 Km:66+400 Km:66+800 Km:67+200 Km:66+600 Vai Km:67+00 suèi R1000.0m Km:68+900 Km:66+00 250.0m ll l ll l ll l l ll l ll ll ll l ll l l ll l ll l ll l l ll l l l l ll ll ll l l ll l ll l l ll l ll l ll l lll l l l l l ll l l lll l ll l l l l ll l ll l ll ll l l ll l ll l l l ll l l l ll l l ll l ll l l ll l l ll l l l ll l l ll l l l ll l l l ll l l ll l ll l l l l l l l l l l l lll ll lll ll l l ll l l l l ll ll ll l l ll l l ll l l ll l l ll l l ll l ll ll ll ll ll ll l ll ll l ll ll ll ll l ll l ll l l l ll l ll ll l ll l l ll l l ll ll l ll llll l l l l l l l ll l ll l l ll l l ll l ll l ll l l ll l l ll l l ll l l l l ll l l ll R885.7m l ll l l ll l ll l l ll ll l l ll l ll ll ll ll ll l l ll l ll ll ll l l m ll ll ll l l ll l l ll l l ll l l ll l ll ll ll l ll l ll ll ll l ll ll ll ll ll ll ll 360 ll KÌ t5 l l ll ll ll ll ll ll ll ll ll ll ll l ll ll ll ll l ll ll l l ll ll ll l ll ll l ll ll ll ll l ll ll l ll ll ll ll ll ll ll ll l ll ll 58 ll ll ll ll ll l ll ll ll ll l l ll ll ll l ll ll l l l ll l l l l l ll l l l l l l ll ll ll ll ll ll ll l l l l l l l l l ll l l l l l l l ll ll ll l l ll l l l l l l l l l ll ll l l l l ll l l l l l l ll ll ll l l l l l l l l l l l ll ll l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l ll ll ll ll ll ll l l l l ll lllll llllllllll l l ll l ll ll ll l ll ll l l ll l ll l ll l ll ll ll l l l ll l l ll l ll ll ll l l l ll l l ll l ll ll ll l l l ll l l ll l ll ll ll l ll l ll l ll l l l ll l l ll ll l ll l ll l l l ll l ll ll l ll l ll l ll l ll l l ll ll l ll ll l l ll l ll ll l ll l ll ll ll l ll l ll ll l ll l ll l l ll l l ll ll ll ll ll ll l l l ll l ll ll l ll l l ll ll ll ll l l l l ll l l ll ll ll l l ll l l ll ll l ll ll l l ll l ll ll ll ll ll l l ll l l ll ll ll l ll l l l ll l l l l ll ll ll l l ll l l ll ll ll l l ll ll l ll l l ll ll ll l l l ll l l ll l ll l l ll ll ll ll ll l l ll l l ll l ll ll l ll l l ll ll ll l ll ll l ll l ll ll l ll l ll ll ll l l ll l ll ll l ll l ll l l ll ll l l l ll lll ll ll l ll l l ll ll ll ll l ll l l ll l l ll l l ll ll l l ll l l ll ll ll ll ll l ll l l ll l l l l ll l l ll ll ll ll ll l ll l l ll l l l l ll l l l ll ll ll ll l l l ll l l l ll ll ll l l l ll l l l l ll l l l ll ll ll ll ll l l ll l l l l l l l l ll ll ll ll l ll l ll l l ll l l ll ll l l ll l l l ll ll ll ll l ll ll ll l l ll l l ll l l l ll l l l ll ll ll l ll ll l ll l l ll l l ll ll l l ll l ll ll ll l ll ll l ll ll l ll l l l l l l ll ll ll ll ll l l l l ll ll l ll ll lll l ll ll ll l l l l l ll l ll ll ll ll l l l l ll l ll ll l ll l ll l l ll l ll l ll ll l l l l l l ll ll ll l l l l ll ll ll l ll ll ll l ll l ll l ll ll ll ll l l ll l ll l ll ll ll ll ll ll ll ll ll l ll l l ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll ll ll ll ll ll l ll l l ll ll l ll ll ll ll ll ll ll ll ll l l ll l ll ll ll ll ll ll ll ll ll ll ll l ll l l ll ll ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll l ll ll l ll ll ll ll ll ll ll ll ll l l l l l ll l ll l l lll l l l l l ll ll ll l l l l ll ll l l ll l l l ll ll l l l l ll ll lll l l ll l l l ll ll ll l l ll l ll l l l l l ll ll ll ll l ll l l ll l l l l ll l l l ll ll ll ll ll ll ll ll ll l l ll ll ll ll ll ll l l ll l l l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l l llll l l l l l l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll ll l l l l l l l ll ll ll ll l l l l l l l l l l l l l ll ll ll ll ll ll ll ll ll l ll ll ll ll ll ll ll l l l ll l ll ll ll ll ll ll ll ll l l l l l l l l l l l l l ll ll ll ll ll ll l l l l l l l l l l l l l ll ll l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l l l l l l l l l l l l l l l l ll ll ll ll ll ll ll ll ll l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l ll ll ll ll ll ll ll ll l l l l llllllllllllll llllllll lllll llll llllll llll 250.0 ll ll 85 l l ll l ll l 60 ll l ll l ' d4 55 ll l ll ll l ll l ll ll ll ll ll ll ll ll l l ll ll ll ll ll l ll ll ll ll l ll ll ll ll 65 0m 9m R1064 l ll l ll l l l l l l l l l l l lll l ll ll ll ll ll ll l ll l ll l ll l l ll l l ll l l ll ll l ll l l ll l l lll l lll l l ll l l l ll l l l l l l l l ll l l l l l l ll ll ll ll ll ll ll ll ll l l ll l l ll l ll lll l lll l lll l lll l lll l lll l l ll ll l ll l l ll l ll ll l ll ll ll ll ll l ll l l l l ll ll ll ll ll ll ll l l l ll l l ll ll l ll l ll ll l ll l l l ll ll ll ll ll ll ll lll l ll ll ll ll ll ll ll ll ll ll ll l l l l ll l l l l ll ll ll ll l l l l l ll l l l l l l l l l ll ll ll ll ll ll ll l l l ll ll ll l l ll ll l l ll ll l ll llll 250 ll l ll l l ll l l ll l l ll l l ll l l ll l l ll ll ll ll ll ll ll ll ll ll ll ll ll l l l l l l l l l l l l ll l l ll l l ll l l ll l l l l l ll ll ll ll ll ll ll ll ll ll l l l l l l l l l l l l l l lll lll lll lll ll ll ll ll ll ll ll l l l l l l l l ll ll ll ll ll ll l l l ll l l l l l l l l ll ll ll l l l l l l l l l l l l l l l l l l l l l llll lllllllllllllllll l l l l l l l l l l ll ll l l l l l l l l l l l l l l l ll l l l l l ll ll ll ll ll ll ll ll ll l l ll ll ll ll ll ll ll ll l ll ll l ll ll ll l ll ll ll l l ll l l ll l l ll l l ll l l ll l l ll l ll l l l ll l l ll l l ll l ll l l l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll ll l ll l l ll ll ll l l l ll l ll l ll ll l l l ll ll l ll ll ll ll ll ll ll ll l ll ll ll ll ll ll ll l llll ll ll l l l ll l lll l l l l ll ll ll l llll ll ll l l ll ll l llll lll l ll ll ll l llll l l l l l l l l l l l l l l l l l l l l l l l l lll l l l l l l l l l l l l l l ll ll l l l ll ll l ll ll ll ll ll ll ll l l l l l l l l l ll ll lll l ll ll l l ll ll ll ll ll ll ll l l ll l ll ll ll ll ll l ll ll ll ll ll ll ll l ll l l lll l ll ll l l ll l ll l l ll ll ll l l ll l l ll l l ll l l ll l l lll ll ll ll llll ll l l ll l l ll l l ll l l ll l ll l lll l ll l l ll l ll lll l l l ll l ll l ll ll l ll l llll l llll l l l l l l l l l l l l ll l l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll hình 3.4: mặt bố trí công trình pa1 l l l ll l l ll l l ll l l ll l ll l ll l l lll l lll l lll l lll l ll l l lll l lll l lll l lll l lll l lll l lll l l l ll ll ll l l l l ll l l l l ll l l l l l ll l ll l l l l l ll ll ll l l ll l l ll l l l ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll l ll l l l lll ll ll ll ll ll ll l 31d25' ll lll ll ll ll ll ll ll ll ll l ll ll ll ll ll ll l ll ll ll ll ll l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll ll ll ll ll ll ll ll ll ll ll ll l l ll ll ll ll ll ll ll ll ll l l ll l l ll l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l ll ll l l ll ll l l ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l ll l l ll l ll ll ll ll ll l ll ll ll l ll l ll ll ll ll ll ll ll l ll ll l l l l l l l l l l l l l l l ll l l ll ll l l l l l l l l l l l l l l l l ll ll ll l l l l l l ll ll ll ll ll ll ll ll l ll ll l l l ll l l l l l ll l l l l l llllll l l l l l l l ll ll ll ll ll ll ll ll ll ll ll ll l l l ll l l l l l l ll ll ll ll ll ll l l l l l llllll l l l l l l l l ll ll ll ll ll ll l l ll ll l l l l l l l l l ll ll l ll ll ll l l l l l l llll l l l l l l ll ll l l l l l l l l ll ll ll ll ll ll ll ll ll ll ll ll ll l l l l l l l l l l l l llll l l l l l l ll ll ll l l l l l l ll ll l l ll ll ll l ll ll ll ll l l l l l l l l l l l l l l l l l l l ll ll ll ll ll ll ll ll ll ll ll l l l l ll l l l ll ll ll ll ll ll ll ll ll ll l ll ll ll ll l l l l l ll l l l l l l l l ll ll l l l l l l l ll ll ll ll ll ll ll ll ll ll l l l l l l l l l l l l ll ll ll ll ll ll ll ll ll ll ll l ll ll ll ll l l ll ll l l l l l l ll ll ll l l ll l l l l l l l l l l l l l l l l ll l l l l l l l lll ll ll ll ll l ll l l l l l l l l l ll ll ll ll ll ll l l l l l l l l l l l l l l ll ll ll ll ll ll ll ll ll ll l l l l l l l l l l ll ll ll ll ll l l ll ll l l l l l ll ll ll ll ll ll l l l l l ll l l l l l ll ll ll ll ll ll l l l l l l l l l ll ll l l l l ll ll ll ll ll ll ll ll ll l l l l l l l l l l l l ll ll ll ll ll ll ll ll ll ll ll l l ll l l ll ll l l l l l ll l ll ll ll ll l l l l ll ll l l l l l ll l l l l l l l ll l ll l l ll l l l ll ll l l l l l ll l l l l l l l ll ll ll l l l l l l l l l l l l l l l l l l l l l ll ll ll ll ll ll ll ll ll ll l l ll l l ll l l l ll ll ll ll ll l ll l l ll l l l l l l l ll ll l l l l l ll l ll ll ll l l l l l l l l ll l l l l l l l l l l l l l l ll ll ll ll ll ll ll ll ll l ll ll ll l ll ll ll ll l l ll l l l ll ll l l l l ll ll l l l l l l l l l ll ll ll l ll ll ll ll ll ll ll l ll l l l l ll l ll l l l l l l l l l l l l l ll ll ll ll ll ll ll ll l l l ll l l ll l l l l l ll l l l l l ll l l l l ll l l l l l l l ll ll l l l l ll l l l l l ll l l ll l l l ll l l ll l ll l l l l l l l l l l ll ll ll ll ll ll ll l l l ll ll ll l ll l l ll l l l l l l l l l ll l l l ll ll ll ll l l l l ll ll ll l ll ll l l ll l l l l l l l l ll ll ll ll ll ll l ll ll ll l l ll ll ll ll l l l ll ll ll l ll l l ll l l l l ll l l l l l l l l ll ll ll l l l l ll ll l l l l l l l l ll ll ll ll ll l l l l l l l l l ll l l l ll l l ll ll ll l ll ll l ll ll ll l l ll ll ll l l l l ll l l l l ll ll ll ll l ll ll ll ll l l ll l l l ll l ll ll ll l l ll ll ll ll l l l l l l l l ll ll ll ll ll l ll l l l ll l l l l ll l l ll l l l ll l ll l ll l l l l l l ll l l l l l l l l ll ll ll ll l l ll l l l ll l ll l l l l l ll l l ll l l ll l l ll ll ll ll ll ll ll ll ll ll l l l l ll ll ll ll l l l ll l l ll l l ll ll ll ll ll l ll l l ll l l ll l ll l l ll l l l ll ll l l l ll l l l l l ll ll ll l l l ll l l l l ll l l l l ll l l ll l l l ll l l ll ll l l l l l l l l ll ll ll l ll ll l l l l l l l l l l ll l ll ll ll l ll l l l l ll l l ll ll l ll l l l ll ll l l l l ll l l l ll l l l lll ll l ll l l ll ll ll l ll ll l ll l ll l l ll l ll ll ll ll ll l ll l l ll ll l ll l l ll ll ll ll ll l ll l ll ll l ll l ll ll ll ll ll l ll l ll ll l ll lll l l l l l l l l l l l l l ll ll l l l l l l l l l l l l l l l l l l l ll l l l l l l l ll l l ll l l ll l l ll l l ll l ll ll ll l ll ll ll ll ll ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll l l l l l l ll l l ll l ll ll l l l l l ll l ll ll ll ll ll l l l l l l l l l ll ll ll l l l ll l l lll l ll ll l l l ll l l l l l l l l l ll ll l l l l l l l l ll ll l l lll l l l ll l l l l ll l l l l l l l l l l l l l l ll l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l ll ll ll ll ll ll ll l l lll l l l l l l l l l l l l l l l l ll l l l ll ll ll ll l l l l l ll l l l l l l ll ll ll l l l l ll ll ll l lll ll ll ll ll ll ll l ll l l ll l ll l l l l l l l l ll l l lll l ll l ll l ll ll ll ll lll l ll l l ll l l ll l ll l ll ll l l ll l l l lll l l l l l l l l l l l ll l l ll ll l l l l ll l l l l ll l l lll ll ll l ll ll l l l ll l l l ll l ll ll ll ll l ll l l l l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll ll l l l l ll l l l ll l l ll ll l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l l l l l ll ll ll ll l lll l ll l l ll ll ll ll l ll ll ll ll l ll ll l l ll l ll l ll l l ll ll ll ll ll ll ll ll ll l ll ll l l l l l ll l l l l ll 98 ll ll ll ll ll l ll ll l l ll ll l l l l ll l ll ll ll ll ll ll ll ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll ll ll ll ll ll l ll ll ll ll ll l ll l l ll ll l ll l ll l l ll ll l l ll ll l l ll l ll l ll ll ll ll ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll l ll ll ll ll l l ll ll ll ll l l ll ll l l l l ll l l l l ll l l l l ll l l l l ll l l l l ll l l l l ll l ll l ll ll ll ll Km:67+00 l ll l l lll l lll l lll ll ll l ll ll ll ll l ll l l lll l lll l lll l lll l lll l lll l lll l lll l ll l ll ll ll ll llll ll l l ll ll ll l ll ll ll l ll ll lll l l l l l l l l l ll l l l ll l ll l l ll l l ll ll ll l ll ll ll ll l l l ll ll l l l ll lll ll l l ll ll ll l l ll ll ll ll llll ll ll ll ll ll ll l ll l l ll ll l l l l l l ll l lll l l l l l l l l l l l ll l l ll l l l l l l l ll ll ll ll ll l ll l lllll l llll l l ll l l ll ll l ll ll l l ll l l l ll l l ll l ll l ll ll ll ll ll ll ll ll ll l l ll lll l l l l ll ll ll ll ll l l l l l l l ll ll ll ll l llll ll l ll ll ll l l l ll l ll l l l ll l ll l l l l l l l l l l ll ll ll ll ll ll ll ll l l l l l l ll l ll ll ll ll l l l l l ll ll ll ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l l l l l l l l l l l l l l l l lll l ll ll l l l l l l ll l l l l l ll l l l l ll l l l l ll l l l ll l l l l ll ll l l l ll l lllll l ll ll ll ll l ll lllll l ll ll ll ll l ll ll lllll l ll l l l l l ll ll lllll l ll ll ll l ll l l l l l l l l l l l l l l l l l l l l l l l l l l l l ll l l l l l ll l l l l l l l l ll ll l l l l l ll l lll l l l l l l l ll ll ll l l ll l l lll l lll l lll l lll l lll l lll l lll l lll l lll l ll ll l l l l lll l l ll ll l l ll ll l l l l l l ll ll ll l l l l l llll lll l l l l l l l l llll l ll ll l l l l l ll l l l l l l l l l ll l l lll l l l l l l l ll ll l l l l l l l l llll l l l l l l l l l l l l l l l l l l l l ll ll ll ll ll ll ll ll ll ll ll lllllllllllllllllllll lll ll ll ll l l l l l l l l l l l l l l l l l l l ll lllll llll ll ll ll ll l l l lll ll ll ll ll ll l l l l l l l l ll l ll l l llll l l l l l l l l l l l llll l l l ll l l lll ll l l l l l l l l l l l ll l l l ll llll l l l l l lll l llll l l l l l l l l l l l l llll llll l l l l l l l l l l l l l l l l l l l l l l l l l l ll ll ll ll l ll l l l l ll l l l l l l l l ll ll l l l llll l ll l l lll l lll l lll l lll l lll l l ll l ll l l ll l ll l ll ll ll l l l l l ll l l llll l l l ll l llll l l l l l ll l l l l l l ll ll l l l ll ll l l ll llll l ll l l lll l lll l lll l lll l lll l ll ll l l ll l l l l lll llll l l llll l ll l ll l ll ll ll ll ll l ll l ll ll ll ll ll ll ll ll ll ll l ll ll l ll ll ll ll ll ll ll l ll l l ll ll l ll ll l ll ll ll ll ll l l l ll l ll l l ll l l l l l ll ll l l ll ll l l ll l l l l ll ll l ll ll l l ll ll l l ll l ll l l ll ll l l ll ll ll l l l ll ll l l l l ll ll l l ll l l l ll ll l l ll l l l l l l ll l l l l l l l 75d29 :66 +0 llll l l ll l l l l l ll l l l l ll l l l l ll l l l l ll l l ll l ll l l lll l lll l lll l lll l lll l ll ll l l l l ll l llll l ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll ll l llll l ll l l ll l l ll l l ll l l ll l ll lll l l l ll l ll ll l l l l l l ll l l ll l l ll l Km l l l llll l ll l l lll l lll l lll l lll l l ll l ll l l lll l lll l lll l lll l lll l lll l l ll l lll l l ll l l ll l lll l lll l l ll l lll l l ll l lll l l ll l l l ll ll l l l l l ll l l l l lll l l l ll l l l ll l l l ll ll l l ll l l l ll l l ll l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l ll l ll l ll l l ll l l lll l ll l ll l l l l ll l ll l ll l l lll l lll l lll l ll l l lll l lll l lll l l ll l lll l lll l lll l lll l l l l ll l ll l l l l ll l l ll ll l l ll l ll l lll l l lll ll l ll l ll ll ll ll ll ll ll ll l ll l l l ll l l ll l ll l ll l l ll l l ll l l ll l ll l l l ll l l ll l l ll l l ll l l lll l ll l ll l lll ll l ll ll lll l l l l l l l l l l l ll l l l l ll l ll l ll l lll l l l l l l l l ll l ll l ll l ll l l l l ll l l l ll l l l l l ll l ll l l l l ll l ll l l ll l ll l ll ll ll l l ll l ll l Biên tuyến chỉnh trị bờ tả ll ll l l l l ll l l l KÌ t6 ll l l l ll l l l ll l 0m ll ll ll l l l l l l ll l l l ll ll ll ll l l ll l ll l l l l l KÌ t7 30 ll l ll l ll l ll l l ll l l ll ll l l l ll l l l ll l l l l ll l ll l ll l ll l ll l ll l l ll l ll l lll ll l ll l l ll ll ll ll ll l ll l ll l l ll ll l l l ll l l ll l l l ll l l ll ll l ll l ll ll l ll l ll l ll ll l l ll ll l ll l ll l l ll l ll l l ll l l ll ll ll l ll l ll l ll ll ll ll l ll l ll ll ll ll l ll l ll ll l ll ll l ll l l ll l ll ll l ll l l ll ll l l l l ll ll ll l ll l ll l l ll l l ll ll ll l l ll l ll l l ll l l ll ll ll ll ll l l ll l ll l l l ll l l ll ll ll ll l ll l l ll l l ll ll ll ll ll l l l l ll ll ll ll l l l l ll ll ll ll l l l l ll ll l l l l ll ll ll l l l l l ll ll ll ll l l l l ll ll ll ll l l l l ll l ll ll l l l l ll l ll l l ll l l l ll ll ll ll l l l l ll ll ll ll l l l l ll ll ll ll l l l l ll ll l l l l ll ll l l l l ll ll l l l l ll ll ll ll lll ll ll ll ll l l ll l l ll ll ll l l ll ll ll ll l l l l l l ll l l l l l l l ll l ll ll l l l l l ll l ll ll ll ll l l l l l ll l ll ll l l l l l ll l l l l l l ll l ll ll l l l l l ll l ll ll l l l l l ll ll l l l l ll l ll ll l l l l l ll l l l l l l ll l ll l l l l l ll ll ll ll lll l ll ll l l l l ll ll ll ll ll l ll l ll l l ll l l ll ll ll l ll ll l l l l l ll l ll l ll l l l l l ll l ll l l l l l ll l ll ll l l l l l ll ll ll ll lll l ll l lll l l ll ll l l l l ll ll ll ll ll ll l l l l ll l l ll ll ll l l ll ll l lll l l l l l l l ll ll ll l ll ll lll l ll ll l l l l l ll ll l ll l lll l ll l l l l ll ll ll l l ll ll l l ll l l l l l l ll ll ll l ll ll lll llll l llllllll ll ll ll l lll l l ll l l ll l l l l ll ll ll ll ll l lll l ll ll ll ll ll l l l l ll ll l ll ll ll ll l ll ll ll ll ll ll l ll l l l ll ll l ll ll ll ll ll lll ll ll ll ll l ll l l l ll ll l ll l ll ll l l l l l ll l ll ll lll ll ll ll l ll lll l ll l ll ll l ll l l ll l l l ll l l ll ll l ll l l l ll ll l ll l ll l ll l ll l ll l l l l ll l ll l ll l l ll l l ll l l ll l ll l l l ll l ll ll l ll l l ll l l ll l l ll l l ll l l ll ll l ll l ll l l l ll ll 0m ll ll l l ll l l ll lll l l ll l lll l ll lll l l l l ll lll l ll ll lll l ll ll l lll l ll ll ll l l ll l l l l lll l ll ll lll l l ll ll lll ll l l ll l ll l ll l l l ll l ll l l l ll l ll l ll l ll l ll ll 32 l l ll l ll l ll ll l l ll l ll l l l ll ll l l ll l l ll l l ll l l ll l l ll l ll ll l l l ll ll l ll l l ll l l ll l ll l ll ll ll KÌ h1 ll l l ll ll ll l ll l ll l l ll l l ll ll l l l ll l ll ll l ll l ll l ll ll ll l ll l l ll l l ll l l ll l l ll l l ll l l l ll ll l l l ll l ll l ll ll ll l ll l l ll l ll l l ll ll l l l l ll l ll l ll ll ll l ll l l ll l ll l l ll ll ll l l l l ll l ll l ll ll ll ll ll ll ll l l ll l ll l 30 Biên tuyến chỉnh trị bờ h÷u l l l ll l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l l l l l l l l ll l l l l l ll ll l l l l l l l l ll ll ll ll l ll l l l ll ll ll ll ll ll ll ll l l l l l l l l l l l l l l l l l l l l l l ll ll ll ll l l l l l l l ll ll ll ll l l l l l l l l ll ll ll ll ll l l l l l l l l l l l l l l l l l llllll l l l l ll ll ll ll l l l l l l l l l ll l l l ll ll ll ll l l l l l l l ll l l l ll ll ll ll l l l ll ll ll l l ll ll ll ll ll ll ll l l ll ll l l l l l l ll l l ll ll ll ll ll ll l l ll l l l l ll ll ll lll l ll ll ll lll l ll ll ll lll l l ll ll ll l l llllllllll l l ll ll l l l ll ll l l ll ll ll l l ll l l l ll ll ll l l ll l l ll ll ll l l l ll l l l l ll l l ll l l ll l l ll l l l ll l l ll l l ll l l ll l l ll l l ll l l ll l l l ll ll l l l l ll l l ll l l l l l ll l l l l ll l l ll l l l l ll l l l ll l l ll ll l l l ll ll ll l l l ll l l l ll l l l l ll l l l ll l l ll l l l ll l l l ll ll l ll ll ll ll l ll l l l ll l ll ll l l ll l ll ll l l ll ll l l ll l l l l ll ll ll ll ll ll ll ll ll l l l ll ll l l ll l ll ll ll ll l ll ll l l l l l ll ll l l ll l lll l ll l ll l l l l l l l ll l l l ll ll l l lllll l l ll l ll l l l l ll l l l l l l l ll l l l l l l ll l l l l l l l ll l ll l ll l l ll llll l l l l l ll l l ll l l l l l l l l l l lll l ll ll l ll l ll l l l llll lll l l ll l l l l l l l lll l ll l l ll l ll ll ll l l l ll ll l ll ll ll ll ll ll ll ll ll l ll l l l l l l l l l l l l ll l l ll l ll ll ll l lll l l ll l l ll l lll ll l l ll l l ll l ll ll ll l lll l ll l l ll l l l KÌ t8 ll ll ll l ' ll l 55d34 l ll l ll l ll l l ll l ll l ll l l l l l l ll l l ll l ll l l llll l l l l l l l l l l l l l l l l l l l ll l l ll llll ll l l l ll l l ll l l ll l l ll l ll ll l ll ll ll l l ll l l l l l l l l l l l l l l l l l l l l l l l ll ll l l ll ll l l ll l ll l ll ll ll l ll ll ll ll ll ll l l l ll ll l ll l l ll l ll ll ll l l l ll l l ll l ll ll ll ll l ll l ll l l ll l ll ll ll l l l ll l l ll l l ll l ll ll ll ll ll ll ll l l ll ll ll ll ll l lll l ll ll ll ll l l ll ll ll l l l ll ll ll l l ll l l l ll ll ll ll ll ll ll ll ll l l ll l ll ll l ll ll ll l l ll l l ll l ll ll ll ll l l ll ll ll l l ll ll ll ll ll ll ll l ll ll l ll l l ll ll l l ll ll l ll ll ll l l ll l l l l ll l ll l l l l ll l ll l l ll ll ll ll l l l ll ll l l l l ll l ll l l ll l l ll l ll ll l ll l ll l 30 ll l ll ll ll l ll ll ll l ll ll ll ll ll ll ll ll l l ll ll l l ll ll ll ll ll ll ll ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l ll ll ll ll l l l l 67 l ll ll ll ll ll l l ll l ll l KÌ h2 l ll l l lll l lll l ll l l ll l l ll l l ll l l ll l l ll l ll l ll ll ll ll l l l ll ll ll ll ll ll l :65 +0 ll l l l l 37 ll ll l l ll l l ll l l l ll ll ll l ll ll l l ll l ll ll ll l l ll l ll ll l ll ll ll l ll l ll l l l l l l l l ll l l l l l l ll l l ll l l l ll l ll l Km l l l l ll l l l l ll ll l ll l l l ll l l l llll ll l ll l ll ll ll l ll l l ll l l ll l l l l l l ll ll l l ll ll ll ll l ll l l l ll l llll l l ll l ll ll l ll l ll ll l l ll ll l llll ll l ll ll ll l l ll l l llll l l ll l ll l l ll l ll l l ll l l ll l l l l ll l m l lll llll ll l l ll l l l ll l ll l lll l l l l l ll l l ll l ll l ll ll ll ll ll lll lll llll l l ll l ll l l l ll l ll l ll l l l l l ll l 12 ll l ll l l l l l l l ll l l l l l l ll ll l ll l l l l ll l ll ll l lll lll llll llll llll ll ll ll ll ll ll ll ll ll l ll l ll ll ll ll 80 R8 ll ll ll ll ll l lll lll ll ll l ll l l ll ll l l l l ll l ll ll ll l ll l ll ll ll ll ll ll l ll ll ll ll ll ll ll ll ll ll ll l l l l ll ll ll l ll ll ll ll ll l l ll ll ll l ll ll ll l l ll ll l ll l l ll l l ll l ll l ll ll ll l l l ll ll ll ll ll ll ll l l ll l ll l l l ll l ll l ll ll l ll ll ll l ll l l ll l l ll l ll ll l l l l l l ll ll l l l l lll ll ll ll ll ll ll R1000.0m l l l l l ll l ll ll ll l ll ll ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll l l ll l ll l ll ll l ll l l ll l l ll l l l l ll ll ll ll l l l l l l l l l l l l ll l l ll l l l l l l l l l l l l l l l l l l l l l l l ll ll ll ll ll ll ll ll ll ll ll ll ll l ll l l l ll l l l ll ll ll l l ll l ll ll ll ll ll l l l l l llll l l l l l l l l ll l l l l l ll ll ll ll ll l l l l llllll l l l l ll ll ll l ll ll ll ll l l l ll ll ll ll l l l l l l l l l l l l l l l ll ll ll ll ll ll ll ll l l ll l ll l l l ll l l l l ll ll l l l l l l l l ll ll ll l ll ll l l l l l l l l l l l ll ll ll ll ll ll ll ll l ll ll ll l l l ll ll ll ll l l l ll l ll l l l ll ll l l l ll ll l l ll ll l l l l l l l l l l l ll ll ll ll ll ll l ll ll l ll ll l l l ll l ll l ll l l ll ll l ll ll l l ll ll ll ll l ll ll l l l l l l l l l l l ll l l l l ll l l l l ll ll l ll ll l ll ll l ll ll l l l ll ll l l l l ll ll ll ll ll l ll ll l l l ll l l l l l ll l l ll l ll l ll ll ll ll ll l l l ll l l l l l l l l l l l l l l l l ll ll l l ll ll ll l ll ll l l l l l l l l l l l l l l ll l l ll ll l l ll ll ll ll ll l ll l l l ll ll l ll l ll l ll l l l ll ll l l l ll ll ll l ll l ll ll l l l ll ll l l l ll ll ll ll ll ll ll l l ll l ll l ll ll ll l l ll l l l ll ll l l ll ll l l ll l l ll ll l ll l l l ll l l l ll l l l ll ll ll ll ll l l l ll ll l l l l ll l l ll ll l l ll l l l ll l l ll ll l l ll ll ll ll ll ll ll ll l ll ll l l ll l l l l ll l l ll ll l l ll l l ll ll l ll ll ll l l l l l l l ll ll l l l l l l l l ll ll ll l l l l l l l l l ll ll ll ll l l l ll l l l ll ll l ll l l l ll l l l ll l l ll ll l l l l l l l ll ll ll l l ll ll l l ll ll l l ll l l l l l ll ll ll l l l ll l l l l ll ll ll l ll ll ll l ll l ll l ll ll ll l l l l l ll ll l ll ll l ll ll l l l l l ll ll l ll l ll l ll ll ll l l ll ll l lll l l l l ll l ll ll ll ll ll l l l l l ll l l l ll ll l l l l l ll l l l l ll ll l ll l l ll ll ll l ll ll l l ll l ll l l ll ll ll l ll ll l l ll ll l l l l l ll ll l ll ll l l l l l ll l l ll l l ll ll ll l l ll l l ll ll l ll l l ll ll ll ll l l l lll ll l ll ll ll l l ll l l ll l l l ll ll ll ll ll l l l lll ll ll ll ll l l l l l ll l l ll ll ll l ll ll ll l l l ll l l l l l l ll ll l ll l l l ll l ll ll ll l ll ll l l ll ll ll ll ll l l l ll l l ll ll l l ll l l ll ll ll l ll ll l l l l l l ll ll ll ll l l l l ll ll l l l l l l ll ll lll l l l l l ll ll ll l l ll l ll ll l ll l l ll ll ll l lll l l ll ll l l l ll ll ll ll ll l ll l l ll ll l ll ll l l l l l l ll l ll ll ll l l l l ll ll l ll ll ll l ll l l ll ll ll ll l l l ll l ll l l ll l l ll ll ll l l l ll l ll ll l ll ll l ll l l ll l l l ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll l ll l ll ll l ll l ll ll l l ll l l l ll l ll ll ll ll ll l l l l ll l ll ll l ll l l ll ll ll ll l ll l ll ll l ll l ll ll l l ll l l ll l l ll ll l l ll l l ll l l ll l l ll l l ll l l ll l ll l l ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll lllllll ll ll ll l ll lllll l l l l l l l l l l l l ll l l l llll l ll l l l l l l l l l ll l l l l l lll l l l l l l l ll l l ll ll ll l ll ll l ll l ll l ll l l ll ll llll ll ll l ll ll ll ll l ll ll ll l l ll ll l ll l l ll ll ll ll l l ll l l ll ll lll ll l ll l ll ll ll l ll ll llll llll lll llll l ll l l ll lll ll lll ll l ll l ll l l lll l lll l l lll l ll ll l ll ll l lll ll ll ll l ll l l l ll l l lll l lll l lll l lll l l ll l lll l lll l lll l ll l l l l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l l l l l ll ll ll ll KÌ h3 ll l ll l ll ll ll lll l l l l l l l l ll ll ll ll ll ll ll ll ll ll l ll l ll ll ll ll ll ll ll llll l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l ll lll l l l l ll l ll ll ll ll l l 0m l ll l l l l l l l ll l l lll l l l l l l ll l l ph­¬ng ¸n ll l l l l l l l l ll l l l ll ll ll l ll ll l ll l l ll ll ll l l ll ll ll ll ll ll ll l ll l l l ll ll ll ll l ll ll ll l ll l l l ll l ll ll ll l 36 l ll l l l ll l ll l l ll l l ll l l ll ll l l ll ll ll ll ll ll l ll l l ll l ll ll ll l ll l ll ll ll ll ll l l ll ll ll l l ll l l ll KÌ h4 ll ll ll ll l ll ll llll l l l l l l l 25 ll ll ll ll ll ll ll l l ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll ll l l ll l ll ll ll ll ll l l ll ll ll l ll l l ll ll ll l ll ll ll l ll l l ll ll ll ll ll ll l l l l l ll ll l ll ll ll ll ll ll ll l 0m ll ll l l ll l ll ll ll ll l 250 ll l l l ll l ll l ll ll ll l l l ll l ll ll ll ll l l l l l ll l ll ll ll l l l l l l l l l Mặt bố trí tổng thể công trình chỉnh trị đ l ll l l l l lll l l l l ll l l l l l l l l l l l ll l l l ll l l l l l l l l l l l l l l l l l l ll l l l l l l l l ll ll l l l l l ll l l l ll l l l l l l l l ll l ll l l l ll ll l l l ll l l l l l l l l lll l l l l l l l l l ll l l l l l l l l ll l l l ll ll ll l l l l l l l l l lll l l l l l l l l l ll l l l l lll lll ll ll ll lll ll l l l l l l l l l l l l l l l l l l l l l l l ll ll ll ll ll l l l lll l l l l l l l l ll lll l l l l l l ll ll ll ll ll ll ll ll l l l lll l l ll l l l l l l l llll l l l l l l l l l l ll l l l l l l l lll l l l ll l l l l l l l ll lllll l l ll l l l lll l l ll l l l l ll l l l l l ll l l l lll l l l l l l l ll l l l ll l l ll l lll l l l l l l lll l llll l l l l l l l l l ll ll ll ll ll ll ll ll l l l l l l l ll ll l l ll l l l lll l lll l lll l ll l l l l l l l l l l l l l l l ll l l l l l ll l l l ll l ll ll l l l l ll l l l l l l ll l ll ll l l l l l ll l l ll l l l l l l ll l l l ll ll ll l l l l ll l l l l ll l ll ll lll l l ll l l ll ll l ll l l l ll l ll ll l l ll l l l ll l l ll ll ll ll ll ll ll ll l ll lll l ll ll ll ll lll l ll ll ll ll ll ll lll l 19.49 l ll l ll l l ll l l ll l l ll 19.91 l ll l l l ll l ll l l l l l ll l ll l l l ll l l ll l ll l l l l l ll l l ll l ll ll l l l l l l l l l l l l ll ll ll l l l l l l l l l l l ll ll l l l ll l l l ll ll l l l ll ll ll l l l l ll l l l l l ll ll ll l l l ll ll ll l l l l l ll ll l l l ll l l l ll ll l l l l l l l l ll l l l ll ll ll l l l l l l l l l l l l ll ll ll l l l l l l l l l ll ll ll l l ll l l l l l l l l ll l l ll ll ll l l l ll l l l l l ll ll ll l l ll ll l l l l l l l ll l l l l ll lllllll l ll ll ll ll l l l ll l ll l l l ll l l l l l ll ll ll l l l ll l l l l l l l l l ll ll ll l l ll l l l l l ll ll ll l l ll ll ll ll l l l l l l l l ll l l l l l ll ll l l l ll l l l l l l l l l l l l l l l l l l l l l l l l l l ll l l l l l l l ll l l ll l l l l l l ll l l l l ll l ll l ll l l l l l l l l l l l ll l l l ll ll ll ll ll ll ll l l l ll ll ll ll ll ll ll ll l ll l l l l l l l l l l l l ll l ll ll l l l l l l l l l l l l l l l l l l l l l l l l ll lll lll lll lll ll ll ll l l l l l l ll ll ll l l lll ll l l l ll l l l l l llll l ll l l l l l l l l l l l l l l l l l ll l l l l l ll l l ll ll l l l l l ll l l l l l l ll l l l l l ll ll ll l l l l l l l l :64 +00 l l l l ll l ll l ll l l l l l ll l llll l l l l l Km ll l l l l l l l l ll l l ll l l l ll l ll l ll l l l ll l ll l l ll l ll l lll R100.0 l l ll l l l ll ll ll ll l l ll l ll l ll ll ll l l ll l l ll l ll l l ll l l l l l l ll l l l l l ll l l l l l l l l ll ll l l l l l ll l l l l l l l l l l l ll ll l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l ll l l l ll l l ll l ll ll ll l ll l ll l ll l ll l l l l l l l l ll l ll l l ll l l l l ll l l lll l ll l l ll l l ll l l ll l ll ll l l l l ll l ll l l ll l l l ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll lll l l l l ll ll ll ll l l ll ll l l ll ll l l ll ll ll ll ll ll l l l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l l l l l ll ll ll l l ll ll l ll ll ll ll ll ll ll ll l l l l l l ll ll ll ll ll l l l l l ll ll ll ll ll ll ll ll ll ll ll ll ll lll ll l l l l ll ll ll ll ll ll ll ll ll l l l l l l l l l l l l l l l l l l ll l l l l l l l l ll l ll l l ll l l ll ll l ll ll l ll ll l ll ll ll ll ll l l ll l ll ll l ll l ll l l ll ll ll l ll ll l ll ll ll l ll ll ll ll l ll l ll ll lll l l l l l l l ll l l l l l ll l l ll l ll l ll ll l l l l l ll l l l l ll ll l l ll l ll l l ll l l ll l l ll l l ll ll ll l l l l ll ll l l l l ll ll l l l l ll l ll l l l l l l l ll l l l l l ll ll l l ll l l lll ll l l ll l l lll l lll l lll l lll l lll l l l l l l ll ll l l l l l l l l l l l l l l l l l l l l l l l l l l l l ll ll ll ll ll ll ll ll l l l l l l l l l l l l l l l l l l l l l l l l ll ll ll l l l l l l l l l 20 20 lÃo hoàng 33d17 R1083.1m Mặt bố trí tổng thể công trình chỉnh trị đoạn lÃo hoàng Km:64+00 R1449.8m 65 250.0m KÌ h4 9.4 9.9 KÌ h3 250.0m 124 365 67 Biªn tun chỉnh trị bờ hữu Kè h1 110 32 60 300.0m 250.0m R3889.7m KÌ h2 300 KÌ t1 85 55d44' KÌ t8 KÌ t7 300 R880.7m R1064.9m Km:68+600 Km:65+00 370 55d34' Km:68+900 phương án R100.0 250.0m 300.0m 75d29 Km:66+00 116 R885.7m 58 Kè t6 Biên tuyến chỉnh trị bờ tả 360 Km:67+00 31d25' 108.7m 98 Vai 83 250.0m 360 360 Kè t5 hình 3.4: mặt bố trí công trình pa1 suèi R1000.0m KÌ t4 KÌ t3 KÌ t2 ll l ll l ll l l ll l ll ll ll l ll l l ll l ll l ll l l ll l l l l ll ll ll l l ll l ll l l ll l ll l ll l lll l l l l l ll l l lll l ll l l l l ll l ll l ll ll l l ll l ll l l l ll l l l ll l l ll l ll l l ll l l ll l l l ll l l ll l l l ll l l l ll l l ll l ll l l l l l l l l l l l lll ll lll ll l l ll l l l l ll ll ll l l ll l l ll l l ll l l ll l l ll l ll ll ll ll ll ll l ll ll l ll ll ll ll l ll l ll l l l ll l ll ll l ll l l ll l l ll ll l ll llll l l l l l l l ll l ll l l ll l l ll l ll l ll l l ll l l ll l l ll l l l l ll l l ll R885.7m l ll l l ll l ll l l ll ll l l ll l ll ll ll ll ll l l ll l ll ll ll l l m ll ll ll l l ll l l ll l l ll l l ll l ll ll ll l ll l ll ll ll l ll ll ll ll ll ll ll 360 ll KÌ t5 l l ll ll ll ll ll ll ll ll ll ll ll l ll ll ll ll l ll ll l l ll ll ll l ll ll l ll ll ll ll l ll ll l ll ll ll ll ll ll ll ll l ll ll 58 ll ll ll ll ll l ll ll ll ll l l ll ll ll l ll ll l l l ll l l l l l ll l l l l l l ll ll ll ll ll ll ll l l l l l l l l l ll l l l l l l l ll ll ll l l ll l l l l l l l l l ll ll l l l l ll l l l l l l ll ll ll l l l l l l l l l l l ll ll l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l ll ll ll ll ll ll l l l l ll lllll llllllllll l l ll l ll ll ll l ll ll l l ll l ll l ll l ll ll ll l l l ll l l ll l ll ll ll l l l ll l l ll l ll ll ll l l l ll l l ll l ll ll ll l ll l ll l ll l l l ll l l ll ll l ll l ll l l l ll l ll ll l ll l ll l ll l ll l l ll ll l ll ll l l ll l ll ll l ll l ll ll ll l ll l ll ll l ll l ll l l ll l l ll ll ll ll ll ll l l l ll l ll ll l ll l l ll ll ll ll l l l l ll l l ll ll ll l l ll l l ll ll l ll ll l l ll l ll ll ll ll ll l l ll l l ll ll ll l ll l l l ll l l l l ll ll ll l l ll l l ll ll ll l l ll ll l ll l l ll ll ll l l l ll l l ll l ll l l ll ll ll ll ll l l ll l l ll l ll ll l ll l l ll ll ll l ll ll l ll l ll ll l ll l ll ll ll l l ll l ll ll l ll l ll l l ll ll l l l ll lll ll ll l ll l l ll ll ll ll l ll l l ll l l ll l l ll ll l l ll l l ll ll ll ll ll l ll l l ll l l l l ll l l ll ll ll ll ll l ll l l ll l l l l ll l l l ll ll ll ll l l l ll l l l ll ll ll l l l ll l l l l ll l l l ll ll ll ll ll l l ll l l l l l l l l ll ll ll ll l ll l ll l l ll l l ll ll l l ll l l l ll ll ll ll l ll ll ll l l ll l l ll l l l ll l l l ll ll ll l ll ll l ll l l ll l l ll ll l l ll l ll ll ll l ll ll l ll ll l ll l l l l l l ll ll ll ll ll l l l l ll ll l ll ll lll l ll ll ll l l l l l ll l ll ll ll ll l l l l ll l ll ll l ll l ll l l ll l ll l ll ll l l l l l l ll ll ll l l l l ll ll ll l ll ll ll l ll l ll l ll ll ll ll l l ll l ll l ll ll ll ll ll ll ll ll ll l ll l l ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll ll ll ll ll ll l ll l l ll ll l ll ll ll ll ll ll ll ll ll l l ll l ll ll ll ll ll ll ll ll ll ll ll l ll l l ll ll ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll l ll ll l ll ll ll ll ll ll ll ll ll l l l l l ll l ll l l lll l l l l l ll ll ll l l l l ll ll l l ll l l l ll ll l l l l ll ll lll l l ll l l l ll ll ll l l ll l ll l l l l l ll ll ll ll l ll l l ll l l l l ll l l l ll ll ll ll ll ll ll ll ll l l ll ll ll ll ll ll l l ll l l l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l l llll l l l l l l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll ll l l l l l l l ll ll ll ll l l l l l l l l l l l l l ll ll ll ll ll ll ll ll ll l ll ll ll ll ll ll ll l l l ll l ll ll ll ll ll ll ll ll l l l l l l l l l l l l l ll ll ll ll ll ll l l l l l l l l l l l l l ll ll l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l l l l l l l l l l l l l l l l ll ll ll ll ll ll ll ll ll l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l ll ll ll ll ll ll ll ll l l l l llllllllllllll llllllll lllll llll llllll llll 250.0 ll ll 85 l l ll l ll l 60 ll l ll l ' d4 55 ll l ll ll l ll l ll ll ll ll ll ll ll ll l l ll ll ll ll ll l ll ll ll ll l ll ll ll ll 65 0m 9m R1064 l ll l ll l l l l l l l l l l l lll l ll ll ll ll ll ll l ll l ll l ll l l ll l l ll l l ll ll l ll l l ll l l lll l lll l l ll l l l ll l l l l l l l l ll l l l l l l ll ll ll ll ll ll ll ll ll l l ll l l ll l ll lll l lll l lll l lll l lll l lll l l ll ll l ll l l ll l ll ll l ll ll ll ll ll l ll l l l l ll ll ll ll ll ll ll l l l ll l l ll ll l ll l ll ll l ll l l l ll ll ll ll ll ll ll lll l ll ll ll ll ll ll ll ll ll ll ll l l l l ll l l l l ll ll ll ll l l l l l ll l l l l l l l l l ll ll ll ll ll ll ll l l l ll ll ll l l ll ll l l ll ll l ll llll 250 ll l ll l l ll l l ll l l ll l l ll l l ll l l ll ll ll ll ll ll ll ll ll ll ll ll ll l l l l l l l l l l l l ll l l ll l l ll l l ll l l l l l ll ll ll ll ll ll ll ll ll ll l l l l l l l l l l l l l l lll lll lll lll ll ll ll ll ll ll ll l l l l l l l l ll ll ll ll ll ll l l l ll l l l l l l l l ll ll ll l l l l l l l l l l l l l l l l l l l l l llll lllllllllllllllll l l l l l l l l l l ll ll l l l l l l l l l l l l l l l ll l l l l l ll ll ll ll ll ll ll ll ll l l ll ll ll ll ll ll ll ll l ll ll l ll ll ll l ll ll ll l l ll l l ll l l ll l l ll l l ll l l ll l ll l l l ll l l ll l l ll l ll l l l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll ll l ll l l ll ll ll l l l ll l ll l ll ll l l l ll ll l ll ll ll ll ll ll ll ll l ll ll ll ll ll ll ll l llll ll ll l l l ll l lll l l l l ll ll ll l llll ll ll l l ll ll l llll lll l ll ll ll l llll l l l l l l l l l l l l l l l l l l l l l l l l lll l l l l l l l l l l l l l l ll ll l l l ll ll l ll ll ll ll ll ll ll l l l l l l l l l ll ll lll l ll ll l l ll ll ll ll ll ll ll l l ll l ll ll ll ll ll l ll ll ll ll ll ll ll l ll l l lll l ll ll l l ll l ll l l ll ll ll l l ll l l ll l l ll l l ll l l lll ll ll ll llll ll l l ll l l ll l l ll l l ll l ll l lll l ll l l ll l ll lll l l l ll l ll l ll ll l ll l llll l llll l l l l l l l l l l l l ll l l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll hình 3.8: Mặt bố trí tổng thể công trình pa2 l l l ll l l ll l l ll l l ll l ll l ll l l lll l lll l lll l lll l ll l l lll l lll l lll l lll l lll l lll l lll l l l ll ll ll l l l l ll l l l l ll l l l l l ll l ll l l l l l ll ll ll l l ll l l ll l l l ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll l ll l l l lll ll ll ll ll ll ll l 31d25' ll lll ll ll ll ll ll ll ll ll l ll ll ll ll ll ll l ll ll ll ll ll l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll ll ll ll ll ll ll ll ll ll ll ll l l ll ll ll ll ll ll ll ll ll l l ll l l ll l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l ll ll l l ll ll l l ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l ll l l ll l ll ll ll ll ll l ll ll ll l ll l ll ll ll ll ll ll ll l ll ll l l l l l l l l l l l l l l l ll l l ll ll l l l l l l l l l l l l l l l l ll ll ll l l l l l l ll ll ll ll ll ll ll ll l ll ll l l l ll l l l l l ll l l l l l llllll l l l l l l l ll ll ll ll ll ll ll ll ll ll ll ll l l l ll l l l l l l ll ll ll ll ll ll l l l l l llllll l l l l l l l l ll ll ll ll ll ll l l ll ll l l l l l l l l l ll ll l ll ll ll l l l l l l llll l l l l l l ll ll l l l l l l l l ll ll ll ll ll ll ll ll ll ll ll ll ll l l l l l l l l l l l l llll l l l l l l ll ll ll l l l l l l ll ll l l ll ll ll l ll ll ll ll l l l l l l l l l l l l l l l l l l l ll ll ll ll ll ll ll ll ll ll ll l l l l ll l l l ll ll ll ll ll ll ll ll ll ll l ll ll ll ll l l l l l ll l l l l l l l l ll ll l l l l l l l ll ll ll ll ll ll ll ll ll ll l l l l l l l l l l l l ll ll ll ll ll ll ll ll ll ll ll l ll ll ll ll l l ll ll l l l l l l ll ll ll l l ll l l l l l l l l l l l l l l l l ll l l l l l l l lll ll ll ll ll l ll l l l l l l l l l ll ll ll ll ll ll l l l l l l l l l l l l l l ll ll ll ll ll ll ll ll ll ll l l l l l l l l l l ll ll ll ll ll l l ll ll l l l l l ll ll ll ll ll ll l l l l l ll l l l l l ll ll ll ll ll ll l l l l l l l l l ll ll l l l l ll ll ll ll ll ll ll ll ll l l l l l l l l l l l l ll ll ll ll ll ll ll ll ll ll ll l l ll l l ll ll l l l l l ll l ll ll ll ll l l l l ll ll l l l l l ll l l l l l l l ll l ll l l ll l l l ll ll l l l l l ll l l l l l l l ll ll ll l l l l l l l l l l l l l l l l l l l l l ll ll ll ll ll ll ll ll ll ll l l ll l l ll l l l ll ll ll ll ll l ll l l ll l l l l l l l ll ll l l l l l ll l ll ll ll l l l l l l l l ll l l l l l l l l l l l l l l ll ll ll ll ll ll ll ll ll l ll ll ll l ll ll ll ll l l ll l l l ll ll l l l l ll ll l l l l l l l l l ll ll ll l ll ll ll ll ll ll ll l ll l l l l ll l ll l l l l l l l l l l l l l ll ll ll ll ll ll ll ll l l l ll l l ll l l l l l ll l l l l l ll l l l l ll l l l l l l l ll ll l l l l ll l l l l l ll l l ll l l l ll l l ll l ll l l l l l l l l l l ll ll ll ll ll ll ll l l l ll ll ll l ll l l ll l l l l l l l l l ll l l l ll ll ll ll l l l l ll ll ll l ll ll l l ll l l l l l l l l ll ll ll ll ll ll l ll ll ll l l ll ll ll ll l l l ll ll ll l ll l l ll l l l l ll l l l l l l l l ll ll ll l l l l ll ll l l l l l l l l ll ll ll ll ll l l l l l l l l l ll l l l ll l l ll ll ll l ll ll l ll ll ll l l ll ll ll l l l l ll l l l l ll ll ll ll l ll ll ll ll l l ll l l l ll l ll ll ll l l ll ll ll ll l l l l l l l l ll ll ll ll ll l ll l l l ll l l l l ll l l ll l l l ll l ll l ll l l l l l l ll l l l l l l l l ll ll ll ll l l ll l l l ll l ll l l l l l ll l l ll l l ll l l ll ll ll ll ll ll ll ll ll ll l l l l ll ll ll ll l l l ll l l ll l l ll ll ll ll ll l ll l l ll l l ll l ll l l ll l l l ll ll l l l ll l l l l l ll ll ll l l l ll l l l l ll l l l l ll l l ll l l l ll l l ll ll l l l l l l l l ll ll ll l ll ll l l l l l l l l l l ll l ll ll ll l ll l l l l ll l l ll ll l ll l l l ll ll l l l l ll l l l ll l l l lll ll l ll l l ll ll ll l ll ll l ll l ll l l ll l ll ll ll ll ll l ll l l ll ll l ll l l ll ll ll ll ll l ll l ll ll l ll l ll ll ll ll ll l ll l ll ll l ll lll l l l l l l l l l l l l l ll ll l l l l l l l l l l l l l l l l l l l ll l l l l l l l ll l l ll l l ll l l ll l l ll l ll ll ll l ll ll ll ll ll ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll l l l l l l ll l l ll l ll ll l l l l l ll l ll ll ll ll ll l l l l l l l l l ll ll ll l l l ll l l lll l ll ll l l l ll l l l l l l l l l ll ll l l l l l l l l ll ll l l lll l l l ll l l l l ll l l l l l l l l l l l l l l ll l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l ll ll ll ll ll ll ll l l lll l l l l l l l l l l l l l l l l ll l l l ll ll ll ll l l l l l ll l l l l l l ll ll ll l l l l ll ll ll l lll ll ll ll ll ll ll l ll l l ll l ll l l l l l l l l ll l l lll l ll l ll l ll ll ll ll lll l ll l l ll l l ll l ll l ll ll l l ll l l l lll l l l l l l l l l l l ll l l ll ll l l l l ll l l l l ll l l lll ll ll l ll ll l l l ll l l l ll l ll ll ll ll l ll l l l l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll ll l l l l ll l l l ll l l ll ll l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l l l l l ll ll ll ll l lll l ll l l ll ll ll ll l ll ll ll ll l ll ll l l ll l ll l ll l l ll ll ll ll ll ll ll ll ll l ll ll l l l l l ll l l l l ll 98 ll ll ll ll ll l ll ll l l ll ll l l l l ll l ll ll ll ll ll ll ll ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll ll ll ll ll ll l ll ll ll ll ll l ll l l ll ll l ll l ll l l ll ll l l ll ll l l ll l ll l ll ll ll ll ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll l ll ll ll ll l l ll ll ll ll l l ll ll l l l l ll l l l l ll l l l l ll l l l l ll l l l l ll l l l l ll l ll l ll ll ll ll Km:67+00 l ll l l lll l lll l lll ll ll l ll ll ll ll l ll l l lll l lll l lll l lll l lll l lll l lll l lll l ll l ll ll ll ll llll ll l l l ll ll ll l ll ll lll l l l l l l l l l ll l l l ll l ll l l ll l l ll ll ll l ll ll ll ll l l l ll ll l l l ll lll ll l l ll ll ll l l ll ll ll ll llll ll ll ll ll ll ll l ll l l ll ll l l l l l l ll l lll l l l l l l l l l l l ll l l ll l l l l l l l ll ll ll ll ll l ll l lllll l llll l l ll l l ll ll l ll ll l l ll l l l ll l l ll l ll l ll ll ll ll 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ll ll ll l l l l l l l l l l l l l l l l l l l ll lllll llll ll ll ll ll l l l lll ll ll ll ll ll l l l l l l l l ll l ll l l llll l l l l l l l l l l l llll l l l ll l l lll ll l l l l l l l l l l l ll l l l ll llll l l l l l lll l llll l l l l l l l l l l l l llll llll l l l l l l l l l l l l l l l l l l l l l l l l l l ll ll ll ll l ll l l l l ll l l l l l l l l ll ll l l l llll l ll l l lll l lll l lll l lll l lll l l ll l ll l l ll l ll l ll ll ll l l l l l ll l l llll l l l ll l llll l l l l l ll l l l l l l ll ll l l l ll ll l l ll llll l ll l l lll l lll l lll l lll l lll l ll ll l l ll l l l l lll llll l l llll l ll l ll l ll ll ll ll ll l ll l ll ll ll ll ll ll ll ll ll ll l ll ll l ll ll ll ll ll ll ll l ll l l ll ll l ll ll l ll ll ll ll ll l l l ll l ll l l ll l l l l l ll ll l l ll ll l l ll l l l l ll ll l ll ll l l ll ll l l ll l ll l l ll ll l l ll ll ll l l l ll ll l l l l ll ll l l ll l l l ll ll l l ll l l l l l l ll l l l l l l l 75d29 :66 +0 llll l l ll l l l l l ll l l l l ll l l l l ll l l l l ll l l ll l ll l l lll l lll l lll l lll l lll l ll ll l l l l ll l llll l ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll ll l llll l ll l l ll l l ll l l ll l l ll l ll lll l l l ll l ll ll l l l l l l ll l l ll l l ll l Km l l l llll l ll l l lll l lll l lll l lll l l ll l ll l l lll l lll l lll l lll l lll l lll l l ll l lll l l ll l l ll l lll l lll l l ll l lll l l ll l lll l l ll l l l ll ll l l l l l ll l l l l lll l l l ll l l l ll l l l ll ll l l ll l l l ll l l ll l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l ll l ll l ll l l ll l l lll l ll l ll l l l l ll l ll l ll l l lll l lll l lll l ll l l lll l lll l lll l l ll l lll l lll l lll l lll l l l l ll l ll l l l l ll l l ll ll l l ll l ll l lll l l lll ll l ll l ll ll ll ll ll ll ll ll l ll l l l ll l l ll l ll l ll l l ll l l ll l l ll l ll l l l ll l l ll l l ll l l ll l l lll l ll l ll l lll ll l ll ll lll l l l l l l l l l l l ll l l l l ll l ll l ll l lll l l l l l l l l ll l ll l ll l ll l l l l ll l l l ll l l l l l ll l ll l l l l ll l ll l l ll l ll l ll ll ll l l ll l ll l Biªn tuyÕn chỉnh trị bờ tả ll ll l l l l ll l l l KÌ t6 ll l l l ll l l l ll l 0m ll ll ll l l l l l l ll l l l ll ll ll ll l l ll l ll l l l l l KÌ t7 30 ll l ll l ll l ll l l ll l l ll ll l l l ll l l l ll l l l l ll l ll l ll l ll l ll l ll l l ll l ll l lll ll l ll l l ll ll ll ll ll l ll l ll l l ll ll l l l ll l l ll l l l ll l l ll ll l ll l ll ll l ll l ll l ll ll l l ll ll l ll l ll l l ll l ll l l ll l l ll ll ll l ll l ll l ll ll ll ll l ll l ll ll ll ll l ll l ll ll l ll ll l ll l l ll l ll ll l ll l l ll ll l l l l ll ll ll l ll l ll l l ll l l ll ll ll l l ll l ll l l ll l l ll ll ll ll ll l l ll l ll l l l ll l l ll ll ll ll l ll l l ll l l ll ll ll ll ll l l l l ll ll ll ll l l l l ll ll ll ll l l l l ll ll l l l l ll ll ll l l l l l ll ll ll ll l l l l ll ll ll ll l l l l ll l ll ll l l l l ll l ll l l ll l l l ll ll ll ll l l l l ll ll ll ll l l l l ll ll ll ll l l l l ll ll l l l l ll ll l l l l ll ll l l l l ll ll ll ll lll ll ll ll ll l l ll l l ll ll ll l l ll ll ll ll l l l l l l ll l l l l l l l ll l ll ll l l l l l ll l ll ll ll ll l l l l l ll l ll ll l l l l l ll l l l l l l ll l ll ll l l l l l ll l ll ll l l l l l ll ll l l l l ll l ll ll l l l l l ll l l l l l l ll l ll l l l l l ll ll ll ll lll l ll ll l l l l ll ll ll ll ll l ll l ll l l ll l l ll ll ll l ll ll l l l l l ll l ll l ll l l l l l ll l ll l l l l l ll l ll ll l l l l l ll ll ll ll lll l ll l lll l l ll ll l l l l ll ll ll ll ll ll l l l l ll l l ll ll ll l l ll ll l lll l l l l l l l ll ll ll l ll ll lll l ll ll l l l l l ll ll l ll l lll l ll l l l l ll ll ll l l ll ll l l ll l l l l l l ll ll ll l ll ll lll llll l llllllll ll ll ll l lll l l ll l l ll l l l l ll ll ll ll ll l lll l ll ll ll ll ll l l l l ll ll l ll ll ll ll l ll ll ll ll ll ll l ll l l l ll ll l ll ll ll ll ll lll ll ll ll ll l ll l l l ll ll l ll l ll ll l l l l l ll l ll ll lll ll ll ll l ll lll l ll l ll ll l ll l l ll l l l ll l l ll ll l ll l l l ll ll l ll l ll l ll l ll l ll l l l l ll l ll l ll l l ll l l ll l l ll l ll l l l ll l ll ll l ll l l ll l l ll l l ll l l ll l l ll ll l ll l ll l l l ll ll 0m ll ll l l ll l l ll lll l l ll l lll l ll lll l l l l ll lll l ll ll lll l ll ll l lll l ll ll ll l l ll l l l l lll l ll ll lll l l ll ll lll ll l l ll l ll l ll l l l ll l ll l l l ll l ll l ll l ll l ll ll 32 l l ll l ll l ll ll l l ll l ll l l l ll ll l l ll l l ll l l ll l l ll l l ll l ll ll l l l ll ll l ll l l ll l l ll l ll l ll ll ll KÌ h1 ll l l ll ll ll l ll l ll l l ll l l ll ll l l l ll l ll ll l ll l ll l ll ll ll l ll l l ll l l ll l l ll l l ll l l ll l l l ll ll l l l ll l ll l ll ll ll l ll l l ll l ll l l ll ll l l l l ll l ll l ll ll ll l ll l l ll l ll l l ll ll ll l l l l ll l ll l ll ll ll ll ll ll ll l l ll l ll l 30 Biên tuyến chỉnh trị bờ hữu l l l ll l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l l l l l l l l ll l l l l l ll ll l l l l l l l l ll ll ll ll l ll l l l ll ll ll ll ll ll ll ll l l l l l l l l l l l l l l l l l l l l l l ll ll ll ll l l l l l l l ll ll ll ll l l l l l l l l ll ll ll ll ll l l l l l l l l l l l l l l l l l llllll l l l l ll ll ll ll l l l l l l l l l ll l l l ll ll ll ll l l l l l l l ll l l l ll ll ll ll l l l ll ll ll l l ll ll ll ll ll ll ll l l ll ll l l l l l l ll l l ll ll ll ll ll ll l l ll l l l l ll ll ll lll l ll ll ll lll l ll ll ll lll l l ll ll ll l l llllllllll l l ll ll l l l ll ll l l ll ll ll l l ll l l l ll ll ll l l ll l l ll ll ll l l l ll l l l l ll l l ll l l ll l l ll l l l ll l l ll l l ll l l ll l l ll l l ll l l ll l l l ll ll l l l l ll l l ll l l l l l ll l l l l ll l l ll l l l l ll l l l ll l l ll ll l l l ll ll ll l l l ll l l l ll l l l l ll l l l ll l l ll l l l ll l l l ll ll l ll ll ll ll l ll l l l ll l ll ll l l ll l ll ll l l ll ll l l ll l l l l ll ll ll ll ll ll ll ll ll l l l ll ll l l ll l ll ll ll ll l ll ll l l l l l ll ll l l ll l lll l ll l ll l l l l l l l ll l l l ll ll l l lllll l l ll l ll l l l l ll l l l l l l l ll l l l l l l ll l l l l l l l ll l ll l ll l l ll llll l l l l l ll l l ll l l l l l l l l l l lll l ll ll l ll l ll l l l llll lll l l ll l l l l l l l lll l ll l l ll l ll ll ll l l l ll ll l ll ll ll ll ll ll ll ll ll l ll l l l l l l l l l l l l ll l l ll l ll ll ll l lll l l ll l l ll l lll ll l l ll l l ll l ll ll ll l lll l ll l l ll l l l KÌ t8 ll ll ll l ' ll l 55d34 l ll l ll l ll l l ll l ll l ll l l l l l l ll l l ll l ll l l llll l l l l l l l l l l l l l l l l l l l ll l l ll llll ll l l l ll l l ll l l ll l l ll l ll ll l ll ll ll l l ll l l l l l l l l l l l l l l l l l l l l l l l ll ll l l ll ll l l ll l ll l ll ll ll l ll ll ll ll ll ll l l l ll ll l ll l l ll l ll ll ll l l l ll l l ll l ll ll ll ll l ll l ll l l ll l ll ll ll l l l ll l l ll l l ll l ll ll ll ll ll ll ll l l ll ll ll ll ll l lll l ll ll ll ll l l ll ll ll l l l ll ll ll l l ll l l l ll ll ll ll ll ll ll ll ll l l ll l ll ll l ll ll ll l l ll l l ll l ll ll ll ll l l ll ll ll l l ll ll ll ll ll ll ll l ll ll l ll l l ll ll l l ll ll l ll ll ll l l ll l l l l ll l ll l l l l ll l ll l l ll ll ll ll l l l ll ll l l l l ll l ll l l ll l l ll l ll ll l ll l ll l 30 ll l ll ll ll l ll ll ll l ll ll ll ll ll ll ll ll l l ll ll l l ll ll ll ll ll ll ll ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l ll ll ll ll l l l l 67 l ll ll ll ll ll l l ll l ll l KÌ h2 l ll l l lll l lll l ll l l ll l l ll l l ll l l ll l l ll l ll l ll ll ll ll l l l ll ll ll ll ll ll l :65 +0 ll l l l l 37 ll ll l l ll l l ll l l l ll ll ll l ll ll l l ll l ll ll ll l l ll l ll ll l ll ll ll l ll l ll l l l l l l l l ll l l l l l l ll l l ll l l l ll l ll l Km l l l l ll l l l l ll ll l ll l l l ll l l l llll ll l ll l ll ll ll l ll l l ll l l ll l l l l l l ll ll l l ll ll ll ll l ll l l l ll l llll l l ll l ll ll l ll l ll ll l l ll ll l llll ll l ll ll ll l l ll l l llll l l ll l ll l l ll l ll l l ll l l ll l l l l ll l m l lll llll ll l l ll l l l ll l ll l lll l l l l l ll l l ll l ll l ll ll ll ll ll lll lll llll l l ll l ll l l l ll l ll l ll l l l l l ll l 12 ll l ll l l l l l l l ll l l l l l l ll ll l ll l l l l ll l ll ll l lll lll llll llll llll ll ll ll ll ll ll ll ll ll l ll l ll ll ll ll 80 R8 ll ll ll ll ll l lll lll ll ll l ll l l ll ll l l l l ll l ll ll ll l ll l ll ll ll ll ll ll l ll ll ll ll ll ll ll ll ll ll ll l l l l ll ll ll l ll ll ll ll ll l l ll ll ll l ll ll ll l l ll ll l ll l l ll l l ll l ll l ll ll ll l l l ll ll ll ll ll ll ll l l ll l ll l l l ll l ll l ll ll l ll ll ll l ll l l ll l l ll l ll ll l l l l l l ll ll l l l l lll ll ll ll ll ll ll R1000.0m l l l l l ll l ll ll ll l ll ll ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll l l ll l ll l ll ll l ll l l ll l l ll l l l l ll ll ll ll l l l l l l l l l l l l ll l l ll l l l l l l l l l l l l l l l l l l l l l l l ll ll ll ll ll ll ll ll ll ll ll ll ll l ll l l l ll l l l ll ll ll l l ll l ll ll ll ll ll l l l l l llll l l l l l l l l ll l l l l l ll ll ll ll ll l l l l llllll l l l l ll ll ll l ll ll ll ll l l l ll ll ll ll l l l l l l l l l l l l l l l ll ll ll ll ll ll ll ll l l ll l ll l l l ll l l l l ll ll l l l l l l l l ll ll ll l ll ll l l l l l l l l l l l ll ll ll ll ll ll ll ll l ll ll ll l l l ll ll ll ll l l l ll l ll l l l ll ll l l l ll ll l l ll ll l l l l l l l l l l l ll ll ll ll ll ll l ll ll l ll ll l l l ll l ll l ll l l ll ll l ll ll l l ll ll ll ll l ll ll l l l l l l l l l l l ll l l l l ll l l l l ll ll l ll ll l ll ll l ll ll l l l ll ll l l l l ll ll ll ll ll l ll ll l l l ll l l l l l ll l l ll l ll l ll ll ll ll ll l l l ll l l l l l l l l l l l l l l l l ll ll l l ll ll ll l ll ll l l l l l l l l l l l l l l ll l l ll ll l l ll ll ll ll ll l ll l l l ll ll l ll l ll l ll l l l ll ll l l l ll ll ll l ll l ll ll l l l ll ll l l l ll ll ll ll ll ll ll l l ll l ll l ll ll ll l l ll l l l ll ll l l ll ll l l ll l l ll ll l ll l l l ll l l l ll l l l ll ll ll ll ll l l l ll ll l l l l ll l l ll ll l l ll l l l ll l l ll ll l l ll ll ll ll ll ll ll ll l ll ll l l ll l l l l ll l l ll ll l l ll l l ll ll l ll ll ll l l l l l l l ll ll l l l l l l l l ll ll ll l l l l l l l l l ll ll ll ll l l l ll l l l ll ll l ll l l l ll l l l ll l l ll ll l l l l l l l ll ll ll l l ll ll l l ll ll l l ll l l l l l ll ll ll l l l ll l l l l ll ll ll l ll ll ll l ll l ll l ll ll ll l l l l l ll ll l ll ll l ll ll l l l l l ll ll l ll l ll l ll ll ll l l ll ll l lll l l l l ll l ll ll ll ll ll l l l l l ll l l l ll ll l l l l l ll l l l l ll ll l ll l l ll ll ll l ll ll l l ll l ll l l ll ll ll l ll ll l l ll ll l l l l l ll ll l ll ll l l l l l ll l l ll l l ll ll ll l l ll l l ll ll l ll l l ll ll ll ll l l l lll ll l ll ll ll l l ll l l ll l l l ll ll ll ll ll l l l lll ll ll ll ll l l l l l ll l l ll ll ll l ll ll ll l l l ll l l l l l l ll ll l ll l l l ll l ll ll ll l ll ll l l ll ll ll ll ll l l l ll l l ll ll l l ll l l ll ll ll l ll ll l l l l l l ll ll ll ll l l l l ll ll l l l l l l ll ll lll l l l l l ll ll ll l l ll l ll ll l ll l l ll ll ll l lll l l ll ll l l l ll ll ll ll ll l ll l l ll ll l ll ll l l l l l l ll l ll ll ll l l l l ll ll l ll ll ll l ll l l ll ll ll ll l l l ll l ll l l ll l l ll ll ll l l l ll l ll ll l ll ll l ll l l ll l l l ll l l ll l l ll l l ll l l ll l l ll l l ll l l ll l ll l ll ll l ll l ll ll l l ll l l l ll l ll ll ll ll ll l l l l ll l ll ll l ll l l ll ll ll ll l ll l ll ll l ll l ll ll l l ll l l ll l l ll ll l l ll l l ll l l ll l l ll l l ll l l ll l ll l l ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll lllllll ll ll ll l ll lllll l l l l l l l l l l l l ll l l l llll l ll l l l l l l l l l ll l l l l l lll l l l l l l l ll l l ll ll ll l ll ll l ll l ll l ll l l ll ll llll ll ll l ll ll ll ll l ll ll ll l l ll ll l ll l l ll ll ll ll l l ll l l ll ll lll ll l ll l ll ll ll l ll ll llll llll lll llll l ll l l ll lll ll lll ll l ll l ll l l lll l lll l l lll l ll ll l ll ll l lll ll ll ll l ll l l l ll l l lll l lll l lll l lll l l ll l lll l lll l lll l ll l l l l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l l l l l ll ll ll ll KÌ h3 ll l ll l ll ll ll lll l l l l l l l l ll ll ll ll ll ll ll ll ll ll l ll l ll ll ll ll ll ll ll llll l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l ll lll l l l l ll l ll ll ll ll l l 0m l ll l l l l l l l ll l l lll l l l l l l ll l l phương án ll l l l l l l l l ll l l l ll ll ll l ll ll l ll l l ll ll ll l l ll ll ll ll ll ll ll l ll l l l ll ll ll ll l ll ll ll l ll l l l ll l ll ll ll l 36 l ll l l l ll l ll l l ll l l ll l l ll ll l l ll ll ll ll ll ll l ll l l ll l ll ll ll l ll l ll ll ll ll ll l l ll ll ll l l ll l l ll KÌ h4 ll ll ll ll l ll ll llll l l l l l l l 25 ll ll ll ll ll ll ll l l ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l ll ll l l ll l ll ll ll ll ll l l ll ll ll l ll l l ll ll ll l ll ll ll l ll l l ll ll ll ll ll ll l l l l l ll ll l ll ll ll ll ll ll ll l 0m ll ll l l ll l ll ll ll ll l 250 ll l l l ll l ll l ll ll ll l l l ll l ll ll ll ll l l l l l ll l ll ll ll l l l l l l l l l MỈt b»ng bè trí tổng thể công trình chỉnh trị đ l ll l l l l lll l l l l ll l l l l l l l l l l l ll l l l ll l l l l l l l l l l l l l l l l l l ll l l l l l l l l ll ll l l l l l ll l l l ll l l l l l l l l ll l ll l l l ll ll l l l ll l l l l l l l l lll l l l l l l l l l ll l l l l l l l l ll l l l ll ll ll l l l l l l l l l lll l l l l l l l l l ll l l l l lll lll ll ll ll lll ll l l l l l l l l l l l l l l l l l l l l l l l ll ll ll ll ll l l l lll l l l l l l l l ll lll l l l l l l ll ll ll ll ll ll ll ll l l l lll l l ll l l l l l l l llll l l l l l l l l l l ll l l l l l l l lll l l l ll l l l l l l l ll lllll l l ll l l l lll l l ll l l l l ll l l l l l ll l l l lll l l l l l l l ll l l l ll l l ll l lll l l l l l l lll l llll l l l l l l l l l ll ll ll ll ll ll ll ll l l l l l l l ll ll l l ll l l l lll l lll l lll l ll l l l l l l l l l l l l l l l ll l l l l l ll l l l ll l ll ll l l l l ll l l l l l l ll l ll ll l l l l l ll l l ll l l l l l l ll l l l ll ll ll l l l l ll l l l l ll l ll ll lll l l ll l l ll ll l ll l l l ll l ll ll l l ll l l l ll l l ll ll ll ll ll ll ll ll l ll lll l ll ll ll ll lll l ll ll ll ll ll ll lll l 19.49 l ll l ll l l ll l l ll l l ll 19.91 l ll l l l ll l ll l l l l l ll l ll l l l ll l l ll l ll l l l l l ll l l ll l ll ll l l l l l l l l l l l l ll ll ll l l l l l l l l l l l ll ll l l l ll l l l ll ll l l l ll ll ll l l l l ll l l l l l ll ll ll l l l ll ll ll l l l l l ll ll l l l ll l l l ll ll l l l l l l l l ll l l l ll ll ll l l l l l l l l l l l l ll ll ll l l l l l l l l l ll ll ll l l ll l l l l l l l l ll l l ll ll ll l l l ll l l l l l ll ll ll l l ll ll l l l l l l l ll l l l l ll lllllll l ll ll ll ll l l l ll l ll l l l ll l l l l l ll ll ll l l l ll l l l l l l l l l ll ll ll l l ll l l l l l ll ll ll l l ll ll ll ll l l l l l l l l ll l l l l l ll ll l l l ll l l l l l l l l l l l l l l l l l l l l l l l l l l ll l l l l l l l ll l l ll l l l l l l ll l l l l ll l ll l ll l l l l l l l l l l l ll l l l ll ll ll ll ll ll ll l l l ll ll ll ll ll ll ll ll l ll l l l l l l l l l l l l ll l ll ll l l l l l l l l l l l l l l l l l l l l l l l l ll lll lll lll lll ll ll ll l l l l l l ll ll ll l l lll ll l l l ll l l l l l llll l ll l l l l l l l l l l l l l l l l l ll l l l l l ll l l ll ll l l l l l ll l l l l l l ll l l l l l ll ll ll l l l l l l l l :64 +00 l l l l ll l ll l ll l l l l l ll l llll l l l l l Km ll l l l l l l l l ll l l ll l l l ll l ll l ll l l l ll l ll l l ll l ll l lll R100.0 l l ll l l l ll ll ll ll l l ll l ll l ll ll ll l l ll l l ll l ll l l ll l l l l l l ll l l l l l ll l l l l l l l l ll ll l l l l l ll l l l l l l l l l l l ll ll l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l ll l l l ll l l ll l ll ll ll l ll l ll l ll l ll l l l l l l l l ll l ll l l ll l l l l ll l l lll l ll l l ll l l ll l l ll l ll ll l l l l ll l ll l l ll l l l ll l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll lll l l l l ll ll ll ll l l ll ll l l ll ll l l ll ll ll ll ll ll l l l l ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll l l l l l l ll ll ll l l ll ll l ll ll ll ll ll ll ll ll l l l l l l ll ll ll ll ll l l l l l ll ll ll ll ll ll ll ll ll ll ll ll ll lll ll l l l l ll ll ll ll ll ll ll ll ll l l l l l l l l l l l l l l l l l l ll l l l l l l l l ll l ll l l ll l l ll ll l ll ll l ll ll l ll ll ll ll ll l l ll l ll ll l ll l ll l l ll ll ll l ll ll l ll ll ll l ll ll ll ll l ll l ll ll lll l l l l l l l ll l l l l l ll l l ll l ll l ll ll l l l l l ll l l l l ll ll l l ll l ll l l ll l l ll l l ll l l ll ll ll l l l l ll ll l l l l ll ll l l l l ll l ll l l l l l l l ll l l l l l ll ll l l ll l l lll ll l l ll l l lll l lll l lll l lll l lll l l l l l l ll ll l l l l l l l l l l l l l l l l l l l l l l l l l l l l ll ll ll ll ll ll ll ll l l l l l l l l l l l l l l l l l l l l l l l l ll ll ll l l l l l l l l l 20 20 l·o hoàng 33d17 R1083.1m Mặt bố trí tổng thể công trình chỉnh trị đoạn lÃo hoàng Km:64+00 R1449.8m 9.9 65 250.0m 124 Kè h3 Biên tuyến chỉnh trị bê h÷u KÌ h1 85 55d44' 32 60 300.0m KÌ t7 250.0m R3889.7m 67 R880.7m R1064.9m Km:68+600 Km:65+00 KÌ h2 300 KÌ t8 300.0m 64 Km:68+00 110 250.0m 9.4 365 300 Kè h4 370 55d34' Km:68+900 phương án R100.0 250.0m 75d29 Km:66+00 116 R885.7m 58 KÌ t6 Biên tuyến chỉnh trị bờ tả 360 Km:67+00 31d25' 108.7m 98 Vai 83 250.0m 360 360 KÌ t5 h×nh 3.8: Mặt bố trí tổng thể công trình pa2 suối R1000.0m KÌ t4 KÌ t3 KÌ t2 KÌ t1 ... xói l b sông c a đo n sông Lô qua hình hi n oan n đ nh ng nhi u đ n vi c oan Hùng tình CH NG 1: C I M CHUNG O N SÔNG LÔ QUA OAN HÙNG – PHÚ TH VÀ T NG QUAN NGHIÊN C U 1.1 T NG QUAN V NGHIÊN C... VI NGHIÊN C U .2 IV PH NG PHÁP NGHIÊN C U V CÁC K T QU CH NG 1: PHÚ TH C T C I M CHUNG O N SÔNG LÔ QUA OAN HÙNG – VÀ T NG QUAN NGHIÊN C U .5 1.1 T NG QUAN V NGHIÊN... Khoảng cách tính từ thuỷ điện Tuyên Quang (m) Hỡnh 1.4: ng l ch sâu sông Lô, đo n t ngã ba Lô - Gâm đ n ngã ba Lô - Ch y Cao độ bi sông Lô, đoạn từ ngba Lô - Gâm đến ngba Lô - Chảy 35 cao độ bi