涵洞过流能力计算.xls
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涵洞过流能力计算.xls
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e/H垂直收缩系数e/H垂直收缩系数e/H垂直收缩系数0.000.6110.200.6190.350.6280.050.6130.250.6220.400.6330.100.6150.300.6250.450.6390.150.617上游水位闸门底板高程流量Q流量系数u闸门开启高度e闸门宽度b1936.821936.220.11429350.586150.10.61937.001936.220.13182210.58520.10.61937.201936.220.14881240.584250.10.61937.401936.220.16421680.584250.10.61937.601936.220.1780120.58330.10.61937.801936.220.19073080.582350.10.61937.961936.220.20052630.582350.10.6上游水位闸门底板高程流量Q流量系数u闸门开启高度e闸门宽度b1936.821936.220.21811510.595650.20.61937.001936.220.25431050.59090.20.61937.201936.220.28922290.588050.20.61937.401936.220.32025420.586150.20.61937.601936.220.34925130.586150.20.61937.801936.220.37543520.58520.20.61937.961936.220.39489760.584250.20.6上游水位闸门底板高程流量Q流量系数u闸门开启高度e闸门宽度b1936.821936.220.31148390.612750.30.61937.001936.220.36733170.599450.30.61937.201936.220.42142980.593750.30.61937.401936.220.46956750.59090.30.61937.601936.220.5123810.588050.30.61937.801936.220.55362330.588050.30.61937.961936.220.58274960.586150.30.6上游水位闸门底板高程流量Q流量系数u闸门开启高度e闸门宽度b1936.821936.220.39091480.639350.40.61937.001936.220.47062970.612750.40.61937.201936.220.54499880.601350.40.61937.401936.220.61038870.595650.40.61937.601936.220.67001580.59280.40.61937.801936.220.72476360.59090.40.61937.961936.220.76369090.588050.40.6上游水位闸门底板高程流量Q流量系数u闸门开启高度e闸门宽度b1936.821936.220.44527930.6840.50.61937.001936.220.56526890.63840.50.61937.201936.220.66024020.612750.50.6收缩系数取值表1937.401936.220.74351380.60230.50.61937.601936.220.81741450.595650.50.61937.801936.220.88827690.593750.50.61937.961936.220.93998850.591850.50.6上游水位闸门底板高程流量Q流量系数u闸门开启高度e闸门宽度b1936.821936.220.44705680.6840.60.61937.001936.220.63774490.66880.60.61937.201936.220.76482180.627950.60.61937.401936.220.87010550.612750.60.61937.601936.220.95900910.601350.60.61937.801936.221.04912690.60040.60.61937.961936.221.11074670.59660.60.6e/H垂直收缩系数e/H垂直收缩系数0.500.6450.650.6730.550.6520.700.6871936.820.600.6610.750.7031937.000.800.7201937.20重力加速度g闸门前水深H垂直收缩系数流速系数相对开度e/H1937.409.810.60.6170.950.1666666671937.609.810.780.6160.950.1282051281937.809.810.980.6150.950.1020408161937.969.811.180.6150.950.0847457639.811.380.6140.950.0724637689.811.580.6130.950.0632911399.811.740.6130.950.057471264重力加速度g闸门前水深H垂直收缩系数流速系数相对开度e/H9.810.60.6270.950.3333333339.810.780.6220.950.2564102569.810.980.6190.950.2040816339.811.180.6170.950.1694915259.811.380.6170.950.1449275369.811.580.6160.950.1265822789.811.740.6150.950.114942529重力加速度g闸门前水深H垂直收缩系数流速系数相对开度e/H9.810.60.6450.950.59.810.780.6310.950.3846153859.810.980.6250.950.3061224499.811.180.6220.950.2542372889.811.380.6190.950.2173913049.811.580.6190.950.1898734189.811.740.6170.950.172413793重力加速度g闸门前水深H垂直收缩系数流速系数相对开度e/H9.810.60.6730.950.6666666679.810.780.6450.950.5128205139.810.980.6330.950.4081632659.811.180.6270.950.3389830519.811.380.6240.950.2898550729.811.580.6220.950.2531645579.811.740.6190.950.229885057重力加速度g闸门前水深H垂直收缩系数流速系数相对开度e/H9.810.60.720.950.8333333339.810.780.6720.950.6410256419.810.980.6450.950.510204082蓝色部分为填写数据,黄色部分为计算流量根据紫色部分值在该表取对应收缩系数水位(m)9.811.180.6340.950.4237288149.811.380.6270.950.3623188419.811.580.6250.950.3164556969.811.740.6230.950.287356322重力加速度g闸门前水深H垂直收缩系数流速系数相对开度e/H9.810.60.720.9519.810.780.7040.950.7692307699.810.980.6610.950.6122448989.811.180.6450.950.5084745769.811.380.6330.950.4347826099.811.580.6320.950.3797468359.811.740.6280.950.344827586开度流量(m3/s)e=0.1(m)e=0.2(m)e=0.3(m)e=0.4(m)e=0.5(m)e=0.6(m)0.600.1140.2180.3110.3910.4450.4470.780.1320.2540.3670.4710.5650.6380.980.1490.2890.4210.5450.6600.7651.180.1640.3200.4700.6100.7440.8701.380.1780.3490.5120.6700.8170.9591.580.1910.3750.5540.7250.8881.0491.740.2010.3950.5830.7640.9401.111该表为报告中附表水深H(m)流量Q面积A水深涵洞h涵洞b湿周C2.1849620240.720.91.20.82.657.6675927涵洞过流能力(矩形)Rni0.2769230.0140.01
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