1、砼梯形渠道水力计算桩号设计流量 底宽水深超高纵坡糙率系数湿周面积边坡系数水力半径谢才系数渠高流速Q(m3/s)B(m)h(m)h(m)Inx(m)A(m2)MRCm/s0+0000+5000.410.30.320.280.00740000.0161.450.251.50.1746.590.601.660+5002+4800.420.30.38 0.300.00354000.0161.670.331.50.2047.710.681.26A=B*h+M*H*H0.26X=B+2*H*1+M2R=A/X砼梯形渠道水力计算桩号设计流量 底宽水深超高纵坡糙率系数湿周面积边坡系数水力半径谢才系数渠高流速Q
2、(m3/s)B(m)h(m)h(m)Inx(m)A(m2)MRCm/s0+0000+50012.051.21.220.510.01398000.02755.603.701.50.6633.931.733.260+5002+4800.520.30.42 0.310.00354000.0161.810.391.50.2248.390.731.34A=B*h+M*H*H0.49X=B+2*H*1+M2R=A/X梯形渠道最佳水力计算桩号设计流量 水深底宽超高纵坡糙率系数湿周面积边坡系数水力半径Q(m3/s)h(m)B(m)h(m)Inx(m)A(m2)MR0+836.52+234.61.500.601
3、.200.500.00555600.0163.000.7200.242+236.53+308 5.001.620.980.450.00031000.0175.175.551.51.073+3086+2505.001.520.920.430.00044500.0174.834.841.51.006+2506+9005.001.520.920.430.00044500.0174.834.841.51.006+90014+199 5.001.550.940.430.00040000.0174.935.041.51.0214+19916+350 5.001.630.990.450.00030000.0
4、175.205.621.51.0816+35020+480 5.001.590.960.440.00035000.0175.055.301.51.0520+48021+721 5.001.550.940.430.00040000.0174.935.041.51.0221+72124+678 5.001.550.940.430.00040000.0174.935.041.51.0224+67827+126 5.001.550.940.430.00040000.0174.935.041.51.0227+12629+362 0.500.480.340.280.00241000.0171.560.451.250.290.500.370.160.240.00530000.0171.140.362.250.320.500.300.090.220.00840000.0170.920.333.250.35谢才系数流速Cv(m/s)49.262.0959.520.9058.861.0358.861.0359.050.9959.590.8959.300.9459.050.9959.050.9959.050.9947.811.1148.601.3849.461.53
