工作面a(m)c1(m)c2(m)
10.6000.0600.50.1
0.105
0.53 1.720.360.180.160.3412040.56本图适用于开槽法施工的钢筋混凝土排水管道。
20.7000.0700.50.150.1230.53 1.840.420.290.200.4911054.0730.8000.0800.50.150.1410.53 1.960.480.310.240.554524.7240.9000.0900.50.20.1580.53 2.080.540.440.290.733223.345 1.0000.1000.50.20.1760.53 2.20.600.460.340.8040
31.986 1.1000.1100.60.2
0.193
0.53 2.520.660.530.420.950.007 1.2000.1200.60.250.2110.53 2.640.720.690.49 1.180.008 1.3500.1350.60.250.2370.53 2.820.810.740.57 1.310.009 1.5000.1500.60.30.2640.5330.900.950.68 1.630.0010 1.6500.1650.80.30.2900.53 3.580.99 1.120.90 2.020.0011 1.8000.1800.80.30.3160.53 3.76 1.08 1.18 1.01 2.190.0012 2.0000.2000.80.30.3510.534 1.20 1.25 1.17 2.420.0013 2.2000.2200.80.30.3870.53 4.24 1.32 1.32 1.35 2.670.0014 2.4000.2300.80.30.4190.53 4.46 1.43 1.39 1.51 2.900.0015 2.6000.2350.80.30.4500.53 4.67 1.54 1.45 1.68 3.130.0016 2.8000.2550.80.30.4850.53 4.91 1.66 1.52 1.88 3.400.0017
3.000
0.275
0.8
0.3
0.520
0.53
5.15
1.78
1.59
2.09
3.68
0.00
174.68
备注：公式中0.707=sin45°
合计Ｄ=600-3000钢筋砼管90度砂石基础每米用量
序号
管内径(m)管壁厚(m)管基尺寸
坡度
底宽(m)半径（r)V c1(m 3)V c2(m 3)每米砂垫
层用量
(m 3/m)
管道长度
(m)
工程数量(m 3)
水管道。