渠道水力計(jì)算

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流量底寬渠道名稱渠道樁號(hào)設(shè)計(jì)工況Q(立方米/秒)B(米)0.320.60分支渠1-10+000~1+015設(shè)計(jì)流量0.370.60分支渠1-20+000~1+507設(shè)計(jì)流量0.320.600+000~1+000設(shè)計(jì)流量分支渠1-30.320.601+000~2+537設(shè)計(jì)流量0.360.60分支渠2-10+000~1+992設(shè)計(jì)流量0.390.600+000~0+400設(shè)計(jì)流量分支渠2-30.390.600+400~2+283設(shè)計(jì)流量0.400.60分支渠3-10+000~2+465設(shè)計(jì)流量0.200.40斗渠4-10+000~0+957設(shè)計(jì)流量0.180.40斗渠1-2-10+000~0+588

邊坡m(米)1.501.501.501.501.501.501.501.501.501.50

縱坡i0.00100.00200.00200.00100.00140.00800.00200.00300.00600.0020

支渠梯形明渠均勻流水糙率n0.0170.0170.0170.0170.0170.0170.0170.0170.0170.017

下游水深計(jì)算上游編號(hào)12345678910渠道名稱渠道樁號(hào)工況hs(米)分支渠1-10+000~1+015設(shè)計(jì)流量分支渠1-20+000~1+507設(shè)計(jì)流量0+000~1+000設(shè)計(jì)流量分支渠1-31+000~2+537設(shè)計(jì)流量分支渠2-10+000~1+992設(shè)計(jì)流量0+000~0+400設(shè)計(jì)流量分支渠2-30+400~2+283設(shè)計(jì)流量分支渠3-10+000~2+465設(shè)計(jì)流量斗渠4-10+000~0+957設(shè)計(jì)流量斗渠1-2-10+000~0+588設(shè)計(jì)流量0.390.350.330.390.380.250.360.330.230.28水深H(米)0.390.350.330.390.380.250.360.330.230.28

流速v(米/秒)0.700.930.900.700.821.570.951.111.210.78

行進(jìn)水頭v2/2g(米)0.020.040.040.020.030.130.050.060.070.03

支渠梯形明渠均勻流水力計(jì)算表濕周流速過(guò)水?dāng)嗝婷娣e謝才系數(shù)水力半徑CX(米)v(米/秒)A(m)R(米)2.010.700.4646.060.21.860.930.3945.400.21.770.900.3544.960.22.010.700.4646.060.21.970.820.4445.900.21.511.570.2543.490.21.900.950.4145.570.21.791.110.3645.050.21.211.210.1742.230.11.410.780.2343.470.2

水深h(米)0.390.350.330.390.380.250.360.330.230.28

安全超高計(jì)算渠深設(shè)計(jì)渠深(米)(米)(米)0.300.690.70.290.640.70.280.610.70.300.690.70.300.680.70.260.520.70.290.650.70.280.610.70.200.430.50.200.480.5

堰上水頭H0(米)0.410.390.370.410.410.380.410.390.300.31

比值hs/H00.940.890.890.940.920.670.890.840.750.90

上游一半水深寬bs(米)3.163.093.053.163.152.923.113.062.872.97

閘寬b(米)1.21.21.21.21.21.21.21.20.80.8

閘高h(yuǎn)(米)0.700.700.700.700.700.700.700.700.700.70

側(cè)收縮系吞噬系數(shù)計(jì)算流量過(guò)閘流量數(shù)Q(立方Q(立方σcσs米/秒)米/秒)0.920.700.350.320.920.860.400.370.920.860.360.320.930.700.360.320.920.780.390.360.920.990.440.390.930.860.420.390.930.