第雨水干管設(shè)計流量計算及水力計算

雨水干管設(shè)計流量

本段匯水面積

管段編號雨水干管1

1–22–33–44–55–66–77–雨水干管2

8–913-1414-1515-雨水干管316-1717-1818-1919-2023-2121-2222-雨水干管423-2424-2525-2626-2727-2828-2929-管長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

轉(zhuǎn)輸匯水面積（ha）04.24714.15020.54423.61329.05431.511019.83323.96826.07805.4007.96510.74013.31516.83918.47803.5355.6287.41313.36714.67217.695

總匯水面積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

管內(nèi)雨水流行時間

t2(min)

L/60v

L/60v總和03.987.7810.2712.3814.2217.40013.1415.4516.7202.695.478.099.6311.2714.4202.354.808.069.6011.0712.66

3.983.802.492.111.843.180.512.472.311.270.542.692.782.631.541.643.150.432.352.453.261.541.471.590.34

單位面積徑流q(L/s.ha)

1841801181051051853011412670301211501641051052103012412519010610513030

70.2252.7443.7239.6436.8734.8331.9170.21635.98533.61832.47870.21657.08748.66643.15140.5938.2634.62370.21658.39650.39443.20540.6438.52636.538

流速v(m/s)坡降iL(m)

設(shè)計流量Q/(L/s)

管段編號管徑D(mm)

坡度i(%0)

設(shè)計地面高度（m）起點

終點

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1

1–22–33–44–55–66–77–雨水干管2

8–99–1010–1111–1212–1313-1414-1515-雨水干管316-1717-1818-1919-2023-2121-2222-雨水干管423-2424-2525-2626-2727-2828-2929-7001.03711000.5831202x.5311202x.5761202x.7551202x.7921202x.8158000.8469000.81610000.72611000.62811000.61511000.77811000.8041202x.7348000.8228001.1828001.5628001.8889001.4269001.5259001.6806001.6347001.2597001.6278001.9078002.0338002.658800

3.151

0.770.1910.790.1050.790.0630.830.0600.950.0790.970.1470.980.0240.770.0960.810.1220.820.1180.820.0660.810.0650.910.0980.920.0560.930.0220.750.0990.900.1771.040.2561.140.1981.070.1501.110.3201.170.0500.880.2030.850.1570.970.3091.150.2023.190.2131.360.3461.48

0.095

3.323.103.102.942.942.822.822.712.712.642.642.362.36–3.283.083.082.832.832.622.622.502.502.422.422.202.202.112.11–3.223.003.002.712.712.562.562.472.472.342.342.012.01–3.102.902.902.712.712.512.512.432.432.282.282.042.04

–

設(shè)計管內(nèi)底標(biāo)高（m）起點

終點

1.2961.1050.7050.6000.5000.4370.4370.3770.3770.2980.2980.1510.1510.1271.0130.9170.8170.6950.5950.4770.3770.3110.3110.2460.2460.1480.1480.092-0.008-0.0300.8680.7690.7690.5910.5910.3350.3350.1370.037-0.113-0.113-0.433-0.433-0.4831.0960.8930.7930.6360.6360.3270.2270.0250.025-0.189-0.189-0.534-0.534

-0.629

埋深（m）起點

終點

2.0241.9951.9952.3402.3402.3832.3832.3332.3332.3422.3422.2092.209-2.2672.1632.1632.1352.1352.1432.1432.1892.1892.1742.1742.0522.0522.018