!"#$$%%&'()*+,-.&/0%1 !"#!!"#" 2 3 45 2 3 45 2 3 45 2 3 465 789:6% ; < 9=>$ 9?6*@=AB CD%EFB, F F :6 CGH%=EIBJKD8 C:6%):6%&=BL;=M%2NMOPQRPS5 $%&!"'( DS&/T0%FB,11DB$%2K:JD&R<O<$31U51 )*1Thông số tính toán ngăn tiếp nhận nước thải +,-.,/ ,0*! 12345 ,6#% '.78 9233: %,0 ;<&!"'( O R V W X XO O YZLFB,[9 \'B=IBS&/T!"IB!"*6VWX XOO K=.9@=B%XO/$$$%%F( ()%E1 4%3,=9>?@ C7;;B, O<<< < qN Q ng tb × = RU ng tb h tb Q Q = kQQ h tb h ×= B, 3]<< B, B, h s Q Q = C DB$%IML()%2DHX=^MR<<35 C K=.98&=6?=[B%$BB/$*_`6=M28=MaD= 7?QDHD'Jb?=R<<P51 799`HM25 (9(T2465 C Y@=),:ML cdYe9 L = L1 + L2 + Ls 79KO9@=)/Hf`dYe25 KR9@=)/Hf`6B=dYe25 K69@=)/HcdYe25 CY@=)/Hf`dYe2K:JD&R<O<59 79W69@=`IBOdYe25 W9@=` cdYe25 g9hf`IB CY@=)/Hf`6B=dYe9 CY@=)/HcdYeK62)?=B$%59 Y@=6:=,:ML/H cdYe2K:JD&R<O<59 H = hmax + chiều cao bảo vệ 79B,9@=6:=L*_;B,25 @=B%$%(?2<3i<PDY\POCR<<j5 )*$1Thông số tính toán mương dẫn đặt SCR !"#" +,-.,/%A ; ; B, #` Y@=`W25 7T2465 #`HM25 KO25 KR25 K625 X25 −× − − += H h H h qq qq H h H h tt OR OR OO ( ) OR OR O O vv qq qq vv tt −× − − += H h ϕ tg BB L s R O − = H h B%A BC',=.D3E kKEl<O349dYe()%I*1 kKE"<O349dYe()%1 dB=mdYe,' kdYeI*9UPQ]< < kdYe9nPQjP < CD6B%O)M 79B9E%O4S241S52DY\POCR<<j5 89:6%8!F4; ;9==>%2465 C oE6B%O)M G!JOpq 7JO9E6B%O)M2345 q9mEIB2o435 !"G_(T=M=Br,-. B$C.AE! o9dYe* or9dYe' C \'E0fIBB dYe*909]<QO<< dYe'909O<QRP Ym+IBB!" F1Hình dạng các thanh chắn O<<<3]P× × = Na W β B4% CY@=6:=L%NM[`HM% $_(;B, Cd0fIBdYe9 79FB,9=EN23465 (9(TA$M;=B0_FB,24652DY\78PO9R<<j5 9%$B0f25 s9@=6:=L*_;B,25 9?6&_`$fIBA$M%?)% s9@=6:=L*_;B,25 X9@=B%t%_(;B,25 9IB6% X+R1c6% DM=`B()0B6E6EB1 7t26B605 !CO 960%6% Du@=`0fIBOdYe9 W!, 799%$B0f252DY\78PO9R<<j5 960fIBOdYe CY@=`IBOdYe9 W6!62CO5k2O,5 7969@)MB252K:JD&R<O<5 960fIBOdYe 9%$B0f25 k hlv Q n × ×× = v B, α 6 v h h = CD@=B%IBdYe LB()%@=B%,:ML()IB6% D@=B%IBdYe LB()%@=B%,:ML()IB6% G!H3I<#"J-*%A!"#" CDuN/L[%%$<OC<U2DY\78PO9R<<j5 6! w! 7969@)MB25 9%$B0f25 (B,9(TA;=BdYe$M_(;B,2465 oO9?6&6LSuN%(fdYe w9?66_$t`IBdYe x9?6/t=`()%+IBB y9IBB6%(/B CoB(TA;=B0IBdYe_(;2(*r<U465 79;9=ErN2465 W9u@=`0fIBOdYe25 s9@=6:=/*_;25 s9@=6:=L*_;25 X9@=B%t%_(;25 9IB6% α 6 v H H = O R B, R K g v ×× ξ αβ Sin l s ∗ ∗ 34U vhB q v k × = α 6 v h h = F41Mặt cắt song chắn rác oB(TA;=B0IBdYe_(;B,2(B,*O465 79;9=ErN2465 W9u@=`0fIBOdYe25 s9@=6:=/*_;25 K+!?!L-J-< C F=BdYe/$2@=]1OP%DY\78PO9R<<j5 kdYeI*9 Y@=`,=;=BNM[<n1 kdYe9 Y@=`*rOR GBdYe@=`*rOP1 )*41Tổng hợp các thông số tính toán SCR !"#" =MN !IN Y@=)S&/TV Y@=`IBS&/T W Y@=B%zM> &LB%NO Y@=B%zMS&/T &LB%NXO Y@=B%zMS&/T & $ Y@=B%S&/TX Y@=`IB B, B, B, vhB q v k × = Y@=)/Hf` dYeKO Y@=)/Hf`6B= dYeKO Y@=)/HcdYeK6 Y@=6:=,:ML X d0fIBOdYe dBIBOdYe Y@=)MB6 o0fOdYe Du@=`0fW Y@=`OdYe Y@=B%OdYe Y@=6:=LB, Y@=6:=L DuN/LdYe6 Y@=B%$%(? qcdYe qf` . = F41Mặt cắt song chắn rác oB(TA;=B0IBdYe_(;B,2(B,*O465 79;9=ErN2465 W9u@=`0fIBOdYe25 s9@=6:=/*_;25 K+!?!L-J-< C