明渠水力计算公式

水深h(m)计算公式1.201.221.241.261.281.301.321.341.361.381.401.421.441.461.481.501.521.1.561.581.601.621.1.661.681.701.721.741.761.781.801.821.841.861.881.901.921.941.961.982.002.02过水断面面积A(m2)A=（b+mh）*h8.28.38.58.78.99.09.29.49.69..910.110.310.510.710.911.111.311.511.611.812.012.212.412.612.813.013.213.413.713.914.114.314.514.714.915.115.315.615.816.016.2湿周x(m)x=b+2h*（1+m2)1/29.339.409.479.9.629.699.769.839.909.9810.0510.1210.1910.2610.3410.4110.4810.5510.6210.7010.7710.8410.9110.9911.0611.1311.2011.2711.3511.4211.4911.5611.6311.7111.7811.8511.9211.9912.0712.1412.2112.28水力半径R(m)R=A/X0.8750.8870.80.9100.9210.9330.9440.9550.9670.9780.91.0001.0121.0231.0341.0451.0561.0671.0781.01.0991.1101.1211.1321.1431.1531.11.1751.1851.1961.2061.2171.2271.2381.2481.2591.2691.2791.2901.3001.3101.321谢才系数C(m1/2/s）C=(1/n）R1/632.599132.671132.742032.811832.880632.948333.015233.081133.146133.210233.273533.335933.397633.458433.518533.577933.636533.694533.751833.808433.8333.919633.974334.028534.082034.134934.187334.239234.290534.341334.391634.441434.490734.539634.588034.635934.683434.730434.777034.823234.869034.9144流量Q(m3/s)Q=AC(Ri)1/213.6314.0414.4614.8815.3115.7516.1916.17.0917.5518.0218.4918.9719.4519.9520.4420.9521.4621.9822.5023.0323.5624.1124.6525.2125.7726.3426.9127.4928.0828.6729.2829.8830.5031.1231.7432.3833.0233.6634.3234.9835.652.042.062.082.102.122.142.162.182.202.222.242.262.282.302.322.342.362.382.402.422.442.462.482.502.522.2.562.582.602.622.2.662.682.702.722.742.762.782.802.822.842.862.882.902.9216.412.361.33134.959416.712.431.34135.004016.912.501.35135.048217.112.571.36135.092117.312.1.37235.135617.612.721.38235.178817.812.791.39235.221618.012.861.40235.2018.312.931.41235.306118.513.001.42235.347918.713.081.43235.3419.013.151.44235.430519.213.221.45235.471419.413.291.46235.511919.713.361.47235.552119.913.441.48235.592020.213.511.49235.631720.413.581.50235.671020.613.651.51235.710120.913.731.52235.7421.113.801.53135.787421.413.871.135.825621.613.941.55135.863621.914.011.56135.901322.114.091.57135.938822.414.161.58135.976022.614.231.59036.013022.914.301.60036.049723.114.371.61036.086223.414.451.62036.122423.714.521.62936.158423.914.591.63936.194224.214.661.936.229824.414.731.65836.265124.714.811.66836.300225.014.881.67836.335125.214.951.68736.369825.515.021.69736.404325.815.101.70636.438626.015.171.71636.472726.315.241.72636.506526.615.311.73536.0226.815.381.74536.573727.115.461.736.607027.415.531.736.01说明：已知b=1.73m，m=1.5，查水力学手册取n=0.0275；

分别取h=2m～3m之间数值对相应流量进行计算；

36.3237.0037.6938.3839.0839.7940.5141.2341.92.7043.4444.1944.95.7146.4847.28.0448.8449.50.4451.2652.0852.9153.74.5855.4456.2957.1658.0358.9159.8060.6961.5962.5063.42.3465.2766.2167.1668.1269.0870.0571.0272.0173.00