Thuyết minh tính toán biện pháp lắp đặt cẩu tháp đầy đủ file cad công trình 50 tầng
CALCULATION SHEET THE CONSTRUCTION METHOD OF BASEMENT PROJECT: SUNWAH PEARL – BINH THANH DISTRICT - HCMC THUYẾT MINH TÍNH TỐN MÓNG CẨU THÁP TC01 - TC02 (QTD160-5522) CACULATION SHEET FOR TOWER CRANE FOUNDATION TC01 - TC02 (QTD160-5522) Dự án/ Project: KHU CHUNG CƯ PHƯỜNG 22 – QUẬN BÌNH THẠNH CONDOMINIUM BLOCKS OF WARD 22,BINH THANH DISTRICT Địa điểm/ Addrees: đường Nguyễn Hữu Cảnh, phường 22, quận Bình Thạnh,thành phố Hồ Chí Minh Nguyen Huu Canh street,22 Ward,Binh Thanh district,Ho Chi Minh City Page CALCULATION SHEET THE CONSTRUCTION METHOD OF BASEMENT PROJECT: SUNWAH PEARL – BINH THANH DISTRICT - HCMC THUYẾT MINH TÍNH TỐN MĨNG CẨU THÁP TC01 - TC02 (QTD160-5522) CACULATION SHEET FOR TOWER CRANE FOUNDATION TC01 - TC02 (QTD160-5522) Dự án/ Project: KHU CHUNG CƯ PHƯỜNG 22 – QUẬN BÌNH THẠNH CONDOMINIUM BLOCKS OF WARD 22,BINH THANH DISTRICT Địa điểm/ Addrees: đường Nguyễn Hữu Cảnh, phường 22, quận Bình Thạnh,thành phố Hồ Chí Minh Nguyen Huu Canh street,22 Ward,Binh Thanh district,Ho Chi Minh City EDITED BY: ĐÀO VĂN PHONG CHECKED BY: APPROVED BY: Page CALCULATION SHEET THE CONSTRUCTION METHOD OF BASEMENT PROJECT: SUNWAH PEARL – BINH THANH DISTRICT - HCMC THUYẾT MINH TÍNH TỐN MĨNG CẨU THÁP TC01- TC02 (QTD160-5522) CALCULATION SHEET FOR TOWER CRANE FOUNDATION TC01TC02 (QTD160-5522) Cơng trình: SUNWAH PEARL Project : SUNWAH PEARL Hạng mục: MÓNG CẨU THÁP TC01- TC02 (QTD160-5522) Item : TOWER CRANE FOUNDATION TC01 -TC02 (QTD160-5522) Địa điểm: Quận Bình Thạnh – Tp.HCM Location: Binh Thanh District - HCMC DỮ LIỆU ĐẦU VÀO / INPUT 1.1 Cơ sở, tính tốn:/ Reference a Tiêu chuẩn áp dụng:/ Standard TCVN 2737:1995 - Tải trọng tác động -Tiêu chuẩn thiết kế TCVN 2737 : 1995 “Loads and effects – Design standard” TCXDVN 338:2005 - Kết cấu thép - Tiêu chuẩn thiết kế TCXDVN 338 : 2005 “Steel structures – Design standard” TCXDVD 5574:2014 – Kết cấu bê tông bê tông cốt thép, tiêu chuẩn thiết kế TCXDVN 5574: 2014 “concrete and reinforced concrete structures – Design standard” TCXD 195:1997 - Nhà cao tầng, thiết kế cọc khoan nhồi TCXD 195 : 1997 “High rise building – Design of bored piles” TCXDVN 10304: 2014– Móng cọc, tiêu chuẩn thiết kế TCXDVN 10304: 2014 “Pile foundations – Design standard” b Phần mềm tính tốn: Etabs 2016 Software for calculation: Etabs 2016 Page CALCULATION SHEET THE CONSTRUCTION METHOD OF BASEMENT PROJECT: SUNWAH PEARL – BINH THANH DISTRICT - HCMC c Hồ sơ khảo sát địa chất cơng trình Report of geotechnical investigation 1.2 Thơng số vật liệu./ Materials - Bê tơng móng: B30 (M400): Rb = 17.0 MPa Rbt = 1.2 MPa Concrete for foundation: Grade B30 (M400) - Cốt thép d > 10, loại A-III: Rs = 365 MPa Rebar d > 10, grade A-III - Cốt thép d ≤ 10, loại A-I: Rs = 225 MPa Rebar d ≤ 10, grade A-III 1.3 Thông số cẩu tháp/ Tower Crane specification: Cẩu tháp/ Tower crane (QTD160-5522): (QTD160-5522) (Frame/ Khung 2.0mx2.0m) Bán kính cần thực tế lắp /Actual installed jib radius: R=55m Tải trọng đầu cần/ Weight of jib: Pmin = 2.2T Tải trọng cẩu/ Weight of crane: Pmax = 5T Theo Catalogue cẩu tháp chiều cao phải neo vào tòa nhà tối đa 40m, sau 24m bố trí tầng neo (Khi chiều cao cẩu vượt 40m) According to crane catalogue, maxium height anchored to the building is 40m, after that, anchor span shall be installed for each 24m (Crane height is over 40m) Nội lực lớn chân cẩu dùng để tính tốn cho móng cẩu (an tồn tính tốn, xét trường hợp cẩu chưa có hệ giằng chiều cao tự đứng tối đa 40m) Maxium internal force at crane foot is used to calculate the crane foundation (safety calculations, considering the case of crane without bracing and maxium stand height 40m) Load / Tải trọng tác dụng: Theo Catalogue móng cẩu tháp QTD160-5522 tải trọng tác dụng lên chân cẩu tháp trường hợp nguy hiểm tương ứng với cẩu tháp trạng thái không làm việc, đạt chiều cao tự đứng 40m Page CALCULATION SHEET THE CONSTRUCTION METHOD OF BASEMENT PROJECT: SUNWAH PEARL – BINH THANH DISTRICT - HCMC According to catalogue of crane QTD160-5522, load effect to feet of crane tower in the worst case corresponds to a state that cranes out service, and stand height is 40m Theo Catalogue móng cẩu tháp, ta có được: According to catalogue of crane, We have: BẢNG 1.1 SỐ LIỆU TẢI THEO CATALOGUE CẨU THÁP QTD160-5522 TABLE 1.1 LOAD DATA ACCORDING TO CATALOGUE OF CRANE QTD1605522 Theo Catalogue móng cẩu tháp, ta có được: According to catalogue of crane, We have: Page CALCULATION SHEET THE CONSTRUCTION METHOD OF BASEMENT PROJECT: SUNWAH PEARL – BINH THANH DISTRICT - HCMC Ghi chú/ Note: - Lực hướng lên/ Upward load - Lực hướng xuống/ Downward load - Các giá trị F2, F3 dương, khác chiều/ Values F2, F3 are both positive, different direction only - L: bề rộng thân cẩu/ Width of crane’s body - F lực chân cẩu tháp / Load of foot ‘s crane * Làm việc / In service - Trường hợp xiên cần/ Oblique rod case: P1 M 820 4217 n L 2 *F1 1695.94kN *F1,3 *F3 1285.93kN *F4 F2 - P1 820 205kN n Trường hợp ngang cần / Horizontal rod case: Page CALCULATION SHEET THE CONSTRUCTION METHOD OF BASEMENT PROJECT: SUNWAH PEARL – BINH THANH DISTRICT - HCMC P1 M 820 4217 n 2L 2x2 *F1 F2 1259.25kN *F1,2 P1 M 820 4217 n 2L x2 *F3 F4 849.25kN *F3,4 * Không làm việc / Out service - Trường hợp xiên cần/ Oblique rod case: P1 M 820 5076 n L 2 *F1 1999.64kN *F1,3 *F3 1589.64 kN *F4 F2 - P1 820 205kN n Trường hợp ngang cần / Horizontal rod case: P1 M 820 5076 n 2L x2 *F1 F2 1474kN *F1,2 P1 M 820 5076 n 2L x2 *F3 F4 1064kN *F3,4 BẢNG 1.1 SỐ LIỆU TẢI THEO CATALOGUE CẨU THÁP QTD160-5522 TABLE 1.1 LOAD DATA ACCORDING TO CATALOGUE OF CRANE QTD1605522 Lực dọc bốn chân cẩu (kN) In service / Làm việc Nghiêng cần/ Ghi (Tự đứng 48.66m) 1695.94 205 -1285.93 205 Lực dọc có giá trị âm kéo (nhổ) -849.25 -849.25 Lực dọc có giá trị dương nén Oblique rod case Ngang cần / 1259.25 1259.25 Horizontal rod case Tải ngang/ Horizontal load P= 43.18kN Out service / Lực dọc bốn chân cẩu (kN) Page CALCULATION SHEET THE CONSTRUCTION METHOD OF BASEMENT PROJECT: SUNWAH PEARL – BINH THANH DISTRICT - HCMC Không làm việc Nghiêng cần/ (Tự đứng 40.0m) Ghi 1999.64 205 -1589.64 205 Lực dọc có giá trị âm kéo (nhổ) 1474 1474 -1064 -1064 Lực dọc có giá trị dương nén Oblique rod case Ngang cần / Horizontal rod case Tải ngang/ Horizontal load P= 148.2kN - Trong : In stead of : o Tĩnh tải : trọng lượng thân đài móng bê tơng cốt thép / Dead load : the self-weight of pile cap o Hoạt tải : tải trọng chân cẩu tháp Tải trọng chân cẩu tháp lấy từ catalouge bao gồm : trọng lượng thân đốt cẩu tháp + tải trọng gió tác dụng lên cẩu tháp / Live load: load effect to feet of crane tower from catalogue That is instead of : self – weight of span crane + wind load effect to tower crane Thiên an toàn, phần hoạt tải chân cẩu tháp nhân với hệ số tổ hợp 1.2 Tĩnh tải trọng lượng thân đài móng bê tông cốt thép nhân với hệ số tổ hợp 1.1 tính tốn thiết kế móng cẩu tháp For safety, live load of tower crane that is load effect to feet are multiplied by a complex factor that is 1.2 And, dead load that is the self-weight of pile cap are multiplied by a complex factor that is 1.1 Load combination as following: COMBO = 1.1 x static load + 1.2 x live load Tổ hợp tải trọng sau: Tổ hợp = 1.1 x Tĩnh tải + 1.2 x Hoạt tải Nội lực lớn chân cẩu tháp tương ứng với chiều cao tự đứng 40m (chỉ xét trường hợp nguy hiểm , tương ứng cẩu khơng làm việc) truyền xuống móng: Maxium internal force at crane tower foot corresponds to stand height 40m (only considering the most worst case, when the crane is not working) passed down the foundation Mơ hình giải móng phần mềm Etabs 2016 Page CALCULATION SHEET THE CONSTRUCTION METHOD OF BASEMENT PROJECT: SUNWAH PEARL – BINH THANH DISTRICT - HCMC Calculating model by Etabs 2016 Model and internal forced/ Mơ hình tính giá trị nội lực: CASE CASE CASE CASE Load cases of tower crane QTD160-5522/ Các trường hợp tải cẩu tháp QTD160-5522 Page CALCULATION SHEET THE CONSTRUCTION METHOD OF BASEMENT PROJECT: SUNWAH PEARL – BINH THANH DISTRICT - HCMC Hình Phương án bố trí cọc Page 10 QTD160(5522) 90 Instruction for the Tower Crane QTD160(5522) Instruction for the Tower Crane 4) Fitting the electric supply cable During telescoping the supply cable was suspended according to figure After fitting of the last mast section, fit the supply cable as showin figure Dismantle trap door (1) of the access platform; slacken the electric cable by sliding it in the cable pulling grip (2) and introduce the sling thus formed into the access platform opening; bolt trap door (1), see detail A Using a clamp (3) fix the cable in the middle of the turning ladder In all cases, use cable pulling grips in order to prevent the supply cable from getting damaged The fixing points of there cable pulling grips are located on the one hand under the fixed towerhead, and under the slewing towerhead platform on the other 91 QTD160(5522) 92 Instruction for the Tower Crane QTD160(5522) Instruction for the Tower Crane 5) Safety devices A Load lifting limiter B Hoisting mechanism Brake Limit switch C Luffing mechanism Brake Limit switch D Moment limiter E Jib buffering limiter F Ladders and platforms of the towerhead, mast, etc 6) Positioning the jib in the non-working state In the non-working state, the elevation angle α of jib should be between 15°~64°(i.e when the working range is 50 m, position the jib between 50 m ~21.7 m) so as to avoid the excessive wind load 93 QTD160(5522) Instruction for the Tower Crane 7) Rope maintenance system The maintenance system will install on the jib after fitting the jib The luffing rope or pulleys may show signs of wear after using for some time, which need to be replaced Use the maintenance system, replace the rope or pulleys of the luffing pulley block after fixing the jib at a certain position (elevation angle of jib: 10°~15°) a The system comprises: - base plateon the A-type support - base plate on the jib - rope: 6×37-FC-Φ28-1670 (L = 32290 mm, 2pcs) - shafts (connecting the base plate with jib) b Operations - Connect one end of the rope with the base plate (2) (at 28.75 m from the jib foot hinge) using shafts (φ40) and split-pin - Connect another end of the rope with the base plate (1) on the A-type support using shafts (φ40) and split-pin - In service, the rope is in a relaxed state 94 QTD160(5522) Instruction for the Tower Crane 2.5 Dismantling the crane (stationary type) 2.5.1 Introduction As far as the final stage of dismantling is concerned, this can be carried out entirely by the mobile crane, but site conditions permitting it can be carried out partly by the hoist winch, which requires that the electrical installations must not be touched For dismantling certain parts, such as the jib, counter-jib … security regulations must be observed which enable all risk of the load being out of balance with the rest of the crane to be prevented when removing the part Dismantling the crane should be carried out as follows: Mast, ballast, jib buffering limiter, jib, A-type support, counter-jib, pivoting support, telescopic cage, mast 2.5.2 Preparing before dismantling Make sure that no obstacle blocks operations Fold down the bogie rail clamps and tighten them on the rails Raise the ladder giving access to the towerhead Raise the telescopic cage (1) to the top of the mast and pin-connect it at the four corners Fit the telescoping accessories considering the following points: - Extend the cylinder completely and pin-connect the telescoping yoke (2) to lugs (3) - Raise the mast lifting yoke onto the monorails and fix it onto the mast section to be dismantled Slew the jib to the open side of the cage Thus the crane is now in the position of the figure shown 2.5.3 Dismantling the crane tower 1) Carry out the balancing condition for telescoping the crane according to the instruction given in brochure As soon as the towerhead feet have left the fishplates by about cm, stop telescoping and lock the attachments (1) of the mast lifting yoke (2) on the mast section (3) to be dismantled Do not use the whole path (4) of the slide bars of the masting yoke Remove pins (5) and shafts (6) connecting mast section (3) with that below Disengage the ladder Continue telescoping up until mast section (3) can be pulled out from fishplates, then rest the pawl (8) or locking shoes (9) of the telescopic cage on the lugs (10) of the mast Move the mast lifting yoke (2) outside on the monorail so as to bring the mast out of the cage Pivot the ladders a little upwards in order to avoid that they get caught on the inner mast Then carry out the telescoping sequences described before, but in the reverse order To detelescope a mast section, the cycle must be repeated three times CAUTION: It is essential that the safety wedges (11) of the shoes (12) are placed when lowering 95 QTD160(5522) 96 Instruction for the Tower Crane QTD160(5522) 97 Instruction for the Tower Crane QTD160(5522) 98 Instruction for the Tower Crane QTD160(5522) Instruction for the Tower Crane 2) Lowering the mast section to the ground Engage the towerhead feet (1) into the fishplates (2) of the lower mast and insert the safety pins (3) at the four corners If necessary, lower the balancing load to the ground Fit the telescoping hook (4) on the mast lifting yoke (5); then lower the mast section to the ground Re-raise the mast lifting yoke (5) which will be introduced on the monorail (6); then connect it to the new mast section to be dismantled Repeat these operations as often as necessary until the mast tower is dismantled completely Disconnect the hydraulic group, drain and lower it to the ground 99 QTD160(5522) 100 Instruction for the Tower Crane QTD160(5522) Instruction for the Tower Crane 2.5.4 Removing the counter-jib ballast Dismantle the positioning frame at the counter-jib end, and dismantle the ballast blocks in sequence 2.5.5 Dismantling the jib This dismantling requires a mobile crane with the same characteristics as those of that used for erecting As well as the jib, this mobile crane will carry out the dismantling of the entire machine Dismantle the jib as follows： a Slinging according to the slinging points as erecting the crane/ b Unpinning the tie bar lines, the tie-bar rest on the jib Dismantle the luffing rope at the tie-bar foot (reeve the complete luffing rope onto the drum) c Remove the shafts connecting the jib with counter-jib d Sling the jib and lower the hook e Lowering the complete jib down and placing it on the ground on a support f Dismantle the hoist rope and reeve it onto the hoist drum 2.5.6 Dismantling the strut Sling the strut using a mobile crane Unpin the shafts connecting the strut with counter-jib, and lower the A-type support to the ground 2.5.7 Dismantling the ballast Dismantle the ballast on the counter-jib in sequence 2.5.8 Dismantling the counter-jib Sling the counter-jib using a mobile crane Unpin the shafts connecting the counter-jib with towerhead, and sling the counter-jib and lower it to the ground 2.5.9 Dismantling the towerhead, basic mast, telescopic cage A Dismantling the towerhead Rest the telescopic cage on the locking shoes (connecting with the telescopic lug of the 1st mast section) Sling the towerhead at slinging points (the front two pinholes - connecting with the inhibiting device; the rear two pinholes - connecting with the counter-jib) as erecting the crane Hook the towerhead and unpin the shafts connecting it with the 1st mast section and shafts connecting it with the telescopic cage Sling the towerhead and lower it to the ground 101 QTD160(5522) B Dismantling the telescopic cage Sling the telescopic cage and lower it to the ground C Dismantling the basic mast Unpin the shafts connecting the basic mast with the chassic mast (or fixing angles) Sling the basic mast and lower it to the ground 102 Instruction for the Tower Crane QTD160(5522) Instruction for the Tower Crane 2.6 Fitting the dismountable telescopic cage The dismountable telescopic cage comprises the front panel, rear panel, left pane, right panel Front panel Left panel Rear panel Right panel Fig Assembling sequence (Fig 2): Connect the left panel (1) and the right panel (2) with the rear panel (3) using the bolt (M22x77, material: 45) (5), washer (specification: 22) (6), nut (M22) (7), connect the front panel (4) with the left and right panel using the bolt (M22x62, material: 45) (9), washer (specification: 22) (6), nut (M22) (7) Fit the telescopic cage (with guide rollers) on the basic mast, then fit the platform, grab rails, etc 103 QTD160(5522) Fig.2 104 Instruction for the Tower Crane ... tạo liên kết chân đế cẩu tháp đài móng: Đoạn chân cẩu tháp ngàm vào đài móng đoạn 1000mm, phía chân cẩu tháp có mã vuông 360x360mm Chân cẩu tháp dạng thép V200 Phía chân cẩu tháp V50x50x5, 150... pile cap o Hoạt tải : tải trọng chân cẩu tháp Tải trọng chân cẩu tháp lấy từ catalouge bao gồm : trọng lượng thân đốt cẩu tháp + tải trọng gió tác dụng lên cẩu tháp / Live load: load effect to feet... chịu nhổ lớn chân cẩu tháp tính sau: N1max = 1589.64(kN) Cường độ chịu nhổ chân cẩu tháp: Tensile force for each foot of tower cranet is: Diện tích tiếp xúc đoạn chân cẩu tháp ngàm đài móng: