t1=10min管 段编 号Y1-1Y1-2Y1-3Y1-4间距(m)1254.00378.00373.00578.00 水流时间(分钟)集水时间(t)10.0019.1421.1122.92管内水流时间t29.141.971.813.13t29.141.971.813.13 F(ha)增 加33.3833.9235.3051.50q=1325.646(1+1.623lgT)(t+11.517)径 流 系数f·F0.783 (l/s·ha)qf=0.6P=3 年管径(mm)160018002000250035532.2873.1943.4273.080设计流量(L/S)4261.296511.999454.5613611.13应用流量(L/S)4596.578123.9010759.3215110.78坡 度流 速(m/s)(‰)累 计33.3867.30102.60154.10(f)0.600.600.600.6020.0280040.3800061.5600092.46000(L/s.ha)212.77161.27153.58147.21
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