全国主要城市雨水量计算表VIP专享

保定设计重现降雨历时屋面汇水面积屋面雨水量管道直径管道坡度粘滞系数期（年）（分）100m2L/S.100m2(m)nA151.002.300.100.00040.014B251.002.780.10 0.00040.014C351.003.060.10 0.00100.014D451.003.250.15 0.00060.014E551.003.410.15 0.00040.014审核校对设计流量要求指E>K为不合格,反之合格,分别呈红及绿色但当管道流量大于1.3倍雨水量时呈土黄色则也应调整管径或坡度.管道流速本表中屋面雨水量已被乘以0.9的屋面迳流系数保定设计重现降雨历时汇水面积地面雨水量管道直径期（年）（分）(公顷)(L/S)(m)北1110.00 1.000.70149.2 0.65 0.0040北2210.00 1.000.70180.0 0.40 0.0020北3315.00 1.200.70205.00.50 0.0025南1415.00 1.000.70181.90.90 0.0070南2515.00 1.800.70342.80.80 0.0010流量要求指E>K为不合格,反之合格,分别呈红及绿色但当管道流量大于1.3倍雨水量时呈土黄色则也应调整管径或坡度.管道流速>0.75m/S为合格反之不合格,此时也应调整管径或坡度如城市为承德则当取设计重现期P=1,2,3… .年时表格中B列均减0.121计算城市ACbn保定2500.4911714.42213.8770.776说明:第30整行由下基础数据库相应城表格中凡淡绿色底板则由雨水量计算公式也会自动生成并完成表格中管径之后坡度,n,h/D也由设计人序号省区城市名称 ACbn1直辖市 北京2001 1801.23180.7113天津3833.343258.339170.8504石家庄1689 1516.722 70.7295承德2839 2066.7929.60.870设计区段设计区段迳流系数地面雨水量计算表屋面雨水量计算管道坡度屋面雨水量计算表地面雨水量计算表管道计6秦皇岛1230.623933.3637.0670.6157唐山935813.4500.6008廊房2831.6522173.83914.0850.7859沧州1707.9091352.5334.8190.67110保定2500.4911714.42213.8770.77611邢台1604.7031433.3619.3810.67712邯郸1302.9341252.57.7670.60213太原1446.221253.872745.00 0.79614大同1532.71655.3166.90.87015朔县1402.81122.2460.81016原平1803.61875.7448.64 0.80017阳泉1730.11055.3619.60.78018榆次1736.81875.744100.81019离石1045.4836.327.64 0.70020长治33404776.215.8 0.93021临汾1207.41134.9565.64 0.74022侯马2212.82301.31210.4 0.83023运城993.71033.44810.3 0.65024包头1663.321638.37025.40.85025集宁534.4534.400.63026赤峰16002160 100.80027海拉尔26302761.5100.99028哈尔滨28892600.1100.88029漠河1469.61469.660.86030呼玛25382175.06610.4 0.93031黑河28...