管道沿程水头损失三种计算方法(自动计算)

1、管道沿程水头损失计算表序序号号公公式式名名称称公公 式式管管道道种种类类糙糙率率nCf流流量量 Q管管长长Lm mb bm3/hm3/sm1经验公式一管道的糙率n值表0.0122772.000.7700012802哈森-威廉斯公式常用管材的C值表1102772.000.7700012803经验公式二(用)f、m、b值表1.774.779480029.990.008331200f、m、b值表常用管材的C值表管道种类fmb塑料硬管,玻璃钢管0.948*1051.774.77管道种类铝管、铝合金管0.861*1051.744.77玻璃钢管石棉水泥管1.455*1051.854.89塑料管3/1622

2、2*16*35. 6dLQnhfp=852. 1871. 49)(*10*13. 1CQdLhf=bmfdfLQh/=新钢管、新铸铁管5.65*1051.855.04石棉水泥管旧钢管、旧铸铁管6.25*1051.95.1新钢管、新（光滑）铸铁管当地材料管n=？7.76n2*1092.05.33铝合金管、镀锌钢管、锦塑软管钢筋砼管n=0.0131.312*1062.05.33半旧钢管、铸铁管钢筋砼管n=0.0141.516*1062.05.33使用多年的旧钢管、铸铁管、离心浇筑砼管钢筋砼管n=0.0151.749*1062.05.33普通砼管钢筋砼管n=0.0172.24*1062.05.33管

3、管径径d沿沿程程水水 头头损损失失 hfmmmm6000.60017.156000.60016.721100.1108.57管道的糙率n值表管道种类nC缸瓦管（带釉）0.013160混凝土和钢筋混凝土管（雨水管）0.013150混凝土和钢筋混凝土管（污水管）0.014管道沿程水头损失计算表常用管材的C值表管道种类玻璃钢管塑料管140石棉水泥管0.012130铸铁管0.013120钢管0.012110玻璃钢管0.008410090石棉水泥管新钢管、新（光滑）铸铁管铝合金管、镀锌钢管、锦塑软管半旧钢管、铸铁管使用多年的旧钢管、铸铁管、离心浇筑砼管普通砼管管道的糙率n值表管道种类n缸瓦管（带釉）0.

4、013混凝土和钢筋混凝土管（雨水管）0.013混凝土和钢筋混凝土管（污水管）0.014石棉水泥管0.012铸铁管0.013钢管0.012玻璃钢管0.0084常用管材的C值表管道种类C玻璃钢管160塑料管150石棉水泥管140新钢管、新（光滑）铸铁管130铝合金管、镀锌钢管、锦塑软管120半旧钢管、铸铁管110使用多年的旧钢管、铸铁管、离心浇筑砼管100普通砼管90f、m、b值表管道种类fmb塑料硬管0.948*1051.774.77铝管、铝合金管0.861*1051.744.77石棉水泥管1.455*1051.854.89新钢管、新铸铁管5.25*1051.855.04旧钢管、旧铸铁管6.25

5、*1051.95.1当地材料管n=？7.76n2*1092.05.33钢筋砼管n=0.0131.312*1062.05.33钢筋砼管n=0.0141.516*1062.05.33钢筋砼管n=0.0151.749*1062.05.33钢筋砼管n=0.0172.24*1062.05.33水水管管及及管管路路附附件件损损失失扬扬程程表表表五水管流流损 失 扬 程()口径量速水底闸阀止回阀管阀(全开)mm口寸m3/hL/sm/s(每米)=5=0.1 =1.7502205.52.80.37820.040.687534512.52.820.2272.030.040.6910048022.22.80.157

6、20.040.68125510027.72.270.0751.30.0260.44150615041.72.360.0641.40.0280.47200828077.82.450.0481.50.030.51250104861352.750.0441.90.0380.65300127922203.110.0442.50.050.853501412603503.640.0491.350.0671.134001614404003.180.0311.030.050.855002020165602.850.010.830.040.68水管进口弯 管大小头出 口(淹没出流)=0.5 =0.2 =0.5 =0.2 =0.1 =0.1=0.25=1.00.20.080.20.080.040.040.10.40.20.080.20.080.040.040.10.4050.20.080.20.080.040.040.10.40.130.0520.130.0520.0260.0260.0650.2630.140.0560.140.0560.0280.0280.070.2840.150.060.150.060.030.030.0750.3060.190.0760.190.0760.0380.0380.0960.3850.250.10.250.10.050.050.1250.4930.340.0