雨水干管设计流量计算及水力计算雨水干管设计流量本段汇水面积管段编号雨水干管11–22–33–44–55–66–77–雨水干管28–913-1414-1515-雨水干管316-1717-1818-1919-2020-2121-2222-雨水干管423-2424-2525-2626-2727-2828-2929-管长L(m)（ha）4.2479.9036.3943.0695.4412.4573.3655.4794.1352.116.4545.42.5652.7752.5753.5241.6392.9563.5352.0931.7855.9541.3053.0232.621转输汇水面积（ha）04.24714.15020.54423.61329.05431.511019.83323.96826.07805.4007.96510.74013.31516.83918.47803.5355.6287.41313.36714.67217.695总汇水面积F（ha）4.24714.15020.54423.61329.05431.51134.8765.47923.96826.07832.5325.4007.96510.74013.31516.83918.47821.4343.5355.6287.41313.36714.67217.69520.316管内雨水流行时间t2(min)L/60vL/60v总和03.987.7810.2712.3814.2217.40013.1415.4516.7202.695.478.099.6311.2714.4202.354.808.069.6011.0712.663.983.802.492.111.843.180.512.472.311.270.542.692.782.631.541.643.150.432.352.453.261.541.471.590.34单位面积径流q(L/s.ha)184180118105105185301141267030121150164105105210301241251901061051303070.2252.7443.7239.6436.8734.8331.9170.21635.98533.61832.47870.21657.08748.66643.15140.5938.2634.62370.21658.39650.39443.20540.6438.52636.538流速v(m/s)坡降iL(m)设计流量Q/(L/s)管段编号管径D(mm)坡度i(%0)设计地面高度（m）起点终点298.21746.30898.16935.971071.161097.471112.79384.71517.04645.92774.90766.49862.49876.691056.57379.17454.70522.67574.56683.51706.97742.11248.21328.65373.57577.52596.23681.72742.31雨水干管11–22–33–44–55–66–77–雨水干管28–99–1010–1111–1212–1313-1414-1515-雨水干管316-1717-1818-1919-2020-2121-2222-雨水干管423-2424-2525-2626-2727-2828-2929-7001.03711000.58312000.53112000.57612000.75512000.79212000.8158000.8469000.81610000.72611000.62811000.61511000.77811000.80412000.7348000.8228001.1828001.5628001.8889001.4269001.5259001.6806001.6347001.2597001.6278001.9078002.0338002.6588003.1510.770.1910.790.1050.790.0630.830.0600.950.0790.970.1470.980.0240.770.0960.810.1220.820.1180.820.0660.810.0650.910.0980.920.0560.930.0220.750.0990.900.1771.040.2561.140.1981.070.1501.110.3201.170.0500.880.2030.850.1570.970.3091.150.2021.190.2131.360.3461.480.0953.323.103.102.942.942.822.822.712.712.642.642.362.36–3.283.083.082.832.832.622.622.502.50