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1、p=0.1,0.05p =0.10000.0500?h=19,47.5,87.5,150,200h =19.000047.500087.5000?cv=0.3,0.4,0.5,0.55,0.55cv =0.30000.40000.5000?f=17,7.87,0.027,3f =17.00007.87000.0270?fc=150.00000.55003.0000200.00000.5500fc =?Qt=rainw(p,h,cv,f,fc)小流域设计洪水计算计算程序:rainw计算时间:14-May-2012计算结果.历时点雨量 (mm)面雨量 (mm)(h)均值Cv点面系数均值Cv0.16
2、719.00.3000.92117.50.3001.00047.50.4000.94244.80.4006.00087.50.5000.98786.40.50024.000150.00.5500.997149.50.55072.000200.00.5500.999199.90.550频率设计面雨量 (mm)暴雨衰减指数 np(%)1/6h1h6h24h72h1/6-1h1-6h10.0024.568.7143.4257.2343.70.4260.5895.0027.479.5171.8313.3418.70.4060.570频率集流时间洪峰径 最大时段雨强洪峰流量 (m3/s)(%)(h)流系数(mm/h)地面径流地下径流基流合计6-24h0.5790.567洪水总量(万 m3)24-72h0.7360.73610.002.630.95838.9175.783.720.34178.08419.695.002.500.96547.1214.853.850.34217.20533.31Qt =30 x2 double30 x2 double