壅水计算

河床高程Z102.10

原河床宽度Bp285.00坝址流量水位关系

围堰内宽Be202.00101.90102.00103.00104.00105.00束窄河床宽度B83.0023.0044.10318.00705.001210.00束窄度M0.71

动量束窄度Mk0.67水位流量

侧收缩系数ε0.83107.632870.00

流量系数μ0.67

纵向围堰长度L335.00

进口段长度L02166.00

收缩段长度L2c111.67

糙率n0.025

上游水深h0 5.53 5.91 5.94 5.95 5.95 5.95 5.95收缩断面水深hc 5.53 5.24 5.21 5.21 5.21 5.21 5.21第一次迭代

上游断面

过水断面面积ω01574.801684.341694.011694.981695.071695.081695.09湿周χ0296.05296.82296.89296.89296.90296.90296.90水力半径R0 5.32 5.67 5.71 5.71 5.71 5.71 5.71谢才系数C052.8553.4253.4753.4853.4853.4853.48收缩断面

过水断面面积ωc458.99434.56432.43432.22432.20432.20432.20湿周χc94.0693.4793.4293.4193.4193.4193.41水力半径Rc 4.88 4.65 4.63 4.63 4.63 4.63 4.63谢才系数Cc52.0951.6851.6451.6351.6351.6351.63

水力坡降i0 2.24E-04 1.79E-04 1.76E-04 1.76E-04 1.76E-04 1.76E-04 1.76E-04 i2c 2.95E-03 3.51E-03 3.57E-03 3.57E-03 3.57E-03 3.57E-03 3.57E-03

i028.12E-047.94E-047.92E-047.92E-047.92E-047.92E-047.92E-04

沿程损失

0.460.520.530.53

0.530.530.53

0.170.170.170.170.170.170.17 0.670.730.740.740.740.740.74 0.380.420.420.420.420.420.42 0.59

108.72

106.00107.00108.00109.00110.00111.00112.00113.00114.00 1800.002450.003180.003990.004880.005860.006890.008080.009420.00

115.00116.00 10800.0012100.00