排水沟设计计算表

长度控制面积设计流量校核流量(m)(m)(Km2)(m3/s)(m3/s)P1-1813.4779.1116.20.0230.340.38P1-2813.4703.8479.10.0450.670.74P2770.3705.5154.30.0120.180.20P3743.8723.8234.70.0110.160.18J1787.2770.3327.980.0410.610.68J2760.5727.6498.60.0270.400.44J3811.0791.02930.0250.370.41合计2103.880.184糙率设计 校核 自然 设计设计P1-10.340.380.2950.050.0250.293P1-20.670.740.2290.160.0250.314P20.180.200.4200.050.0250.182P30.160.180.0850.080.0250.145J10.610.680.0520.050.0250.462J20.400.440.0660.070.0250.292J30.370.410.0680.070.0250.275长度 土方 石方 砌方抹面反滤层(m)(m3)(m3)(m3)(m2)m3P1595.27342.985.7342.31369.14.02P2154.3274.118.577.2308.61.04P3234.74158.40.0117.4469.51.58J1327.98241.10.0213.2852.72.21J2498.62296.70.0274.21097.03.37J3293.00174.30.0161.2644.61.98分布高程截、 排水各渠段水力计算结果和断面设计表渠道号渠道号渠道流量(m3/s)比降渠道水深(m) 黑水场镇渠道号合计2 3 1 4 .3 21 4 1 6 .2 31 1 4 .6 61 3 0 3 .9 35 2 1 5 .7 11 5 .6 2自然设计0.29520.05P1-10.3440.3450.3790.3790.22880.16P1-20.6740.6750.7410.7420.42000.05P20.1800.1820.1980.1980.08520.08P30.1650.1670.1810.1820.05150.05J10.6140.6150.6750.6760.06600.07J20.4040.4060.4450.4460.06830.07J30.3740.3750.4120.413计设计校校核设计 校核底宽( m)墙高( m)渠底消能0.3152.352.410.500.62跌水坎0.3384.294.390.500.640.1941.972.040.500.49跌水坎0.1542.272.350.500.450.4992.662.710.500.800.3142.772.830.500.610.2962.722.780.500.60砂浆垫层壁厚挖方系数断面土方含土率断面石方m3bhBNa1n1a271.430.50.650.250.80.5760.80.14418.520.50.500.250.80.480.80.1228.170.50.500.250.90.6751039.360.50.800.250.70.7351059.830.50.600.250.70.5951035.160.50.600.250.70.59510设计渠道流量(m3/s)力计算结果和断面设计表反算校核道水深(m)渠道水流流速(m/s)渠道过水断面设计断面内尺寸计算工作量结果表比降渠道号2 7 7 .7 2自然 设计 设计 校核水力半径R设计校核0.29520.050.2930.3150.8792.352.410.22880.160.3140.3380.9424.294.390.42000.050.1820.1940.5461.972.040.08520.080.1450.1540.4352.272.350.05150.050.4620.4991.3862.662.710.06600.070.2920.3140.8762.772.830.06830.070.2750.2960.8252.722.78含石率断面砌石抹面内壁长 断面面积厚度n2ALAh0.20.582.30.120.10.20.502.00.120.100.502.00.120.100.652.60.120.100.552.20.120.100.552.20.120.1I 比降H渠道水深(m)砂浆垫层断面 排水各渠段水力计算过程和断面设计表V渠道水流流速(m/s)备注设计校核底宽( m)墙高( m)实际高渠底消能28.6528.800.50.620.65跌水坎28.8028.950.50.640.6527.4927.660.50.490.50跌水坎26.8627.030.50.450.5029.5429.670.50.800.8028.6428.800.50.610.6028.5028.670.50.600.60C渠道流速系数渠道过水断面设计