雨水管渠水力计算表

面积（公顷）径流系数1Y1Y1Y2Y249.704.200.200.004.2010.000.0010.00503.56422.991232.261200.000.300.0131.002Y2Y2Y3Y3360.006.500.650.006.5010.000.0010.00470.921989.633633.121800.000.450.0131.003Y1Y1Y4Y4103.003.250.200.003.2510.004.2014.20417.79271.562134.341200.000.300.0133.004Y4Y4Y5Y5120.001.580.203.254.8314.200.9115.11408.55394.662134.341200.000.300.0133.00面积（公顷）径流系数1Y1Y1Y2Y257.004.400.200.004.4010.000.7110.00503.56443.13481.68600.00600.001.800.201.340.0143.002Y2Y2Y3Y388.004.400.204.406.0010.000.7810.00503.56604.27681.19600.00600.001.800.201.890.0146.003Y1Y1Y4Y4103.004.400.200.004.4010.001.2110.00546.08480.55680.59600.00800.002.200.221.420.0143.004Y4Y4Y5Y5120.006.000.204.406.0010.001.0010.00546.08655.30962.50600.00800.002.200.222.010.0146.00面积（公顷）径流系数1Y1Y1Y2Y257.002.410.200.002.4110.000.0010.00470.92226.98577.211200.00800.00700.002.310.300.820.0303.002Y2Y2Y3Y388.002.630.202.415.0410.001.1511.15454.28457.91577.211200.00800.00700.002.310.300.820.0303.003Y1Y1Y4Y4103.003.250.200.003.2510.001.7811.78445.97289.88577.211200.00800.00700.002.310.300.820.0303.004Y4Y4Y5Y5120.001.580.203.254.8311.782.0813.86421.41407.08577.211200.00800.00700.002.310.300.820.0303.00上底宽（毫米）水深（毫米）R（m水力半径）R（m水力半径）节点数起点编号终点编号长度(米)汇水面积水流时间本段面积上游累计面积（公顷）计算面积（公顷）上游汇流时间（分钟）本段沟内流行时间（分钟）管径（mm）计算降雨历时（分钟）降雨强度（升/秒/公顷）计算径流量（升/秒）管渠流量（升/秒）水流时间计算降雨历时（分钟）降雨强度（升/秒/公顷）计算径流量（升/秒）管道坡度（‰)X（m湿周）流速（米/秒）粗糙系数管道坡度（‰)X（m湿周）R（m水力半径）流速（米/秒）粗糙系数梯形断面雨水计算节点数起点编号终点编号长度(米)汇水面积管道坡度（‰)本段面积上游累计面积（公顷）计算面积（公顷）上游汇流时间（分钟）本段沟内流行时间（分钟）管渠流量（升/秒）上底宽（毫米）下底宽（毫米）水深（毫米）长度(米)节点数起点编号计算降雨历时（分钟）计算径流量（升/秒）粗糙系数降雨强度（升/秒/公顷）本段沟内流行时间（分钟）箱涵雨水计算管渠流量（升/秒）永安暴雨强度公式q=5035/POWER((t1+t2)+8.508,0.789)（按50年重现期计算）汇水面积水流时间本段面积上游累计面积（公顷）上游汇流时间（分钟）圆管雨水计算计算面积（公顷）终点编号流量（m/s)汇水面积(公顷）管道允许流量流速管径坡度管长过水面积管道流过时间0.25945910.9956421.2676911000203.141593东莞雨水，重现期1年暴雨历时径流系数t单位qAbnv50.711370.65597.6060961.264102-0.081091.267691D1000iQ粗糙系数RCI湿周过水断面100020.9956420.0140.250.0023.141590.7854