管内径mm管内径m管壁厚a B C1C2垫层中半圆面积
1500.150.0190.080.3480.080.0940.01387252 2000.20.0220.080.4040.080.1220.02336788 2500.250.0250.080.460.080.150.035325 3000.30.030.080.520.080.180.050868 3500.350.0350.080.580.080.210.069237 4000.40.040.080.640.080.240.090432 4500.450.0450.090.720.090.270.114453 5000.50.050.10.80.10.30.1413 6000.60.060.120.960.120.360.203472
0 6000.60.0550.110.930.110.3550.19785925 7000.70.060.12 1.060.120.410.263917 8000.80.070.14 1.150.1050.2350.346813 9000.90.0750.15 1.2760.1130.2630.43273125 100010.0850.17 1.4260.1280.2930.53729325 1100 1.10.0950.19 1.670.190.6450.65315925 1200 1.20.10.2 1.70.150.350.7693 1350 1.350.1150.23 2.040.230.790.979837 1500 1.50.1250.25 2.250.250.875 1.20203125 1650 1.650.140.28 2.490.280.965 1.46202325 1800 1.80.150.3 2.70.3 1.05 1.730925 200020.170.34 3.020.34 1.17 2.149173 2200 2.20.1850.37 3.310.37 1.285 2.59242325 2400 2.40.20.4 3.60.4 1.4 3.0772 2600 2.60.220.44 3.920.44 1.52 3.627328 2800 2.80.2350.47 4.210.47 1.635 4.19696325 300030.250.5 4.50.5 1.75 4.808125
混凝土垫层
面积
0.046679480.856 0.058240120.968
0.070475 1.08
0.084332 1.2
0.098963 1.32
0.114368 1.44
0.144747 1.62
0.1787 1.8
0.257328 2.16
00 0.23459075 2.08
0.297883 2.36
0.044187 2.51 0.04704475 2.778 0.06305275 3.108 0.74129075 3.72
0.0807 3.7
1.100963 4.54 1.329218755 1.63802675 5.54
1.914075
2.411027
2.88562675
3.4028
4.055872
4.66508675
5.316875