三廊道管道管道计算内径D(m)单根管道及水重W(t)管道敷设倾角α土壤内摩擦角φDN14001.409818.422330一廊道管道管道计算内径D(m)单根管道及水重W(t)管道敷设倾角α土壤内摩擦角φDN6000.60523.372130DN5000.5042.411830DN3000.30460.962130摩擦系数f下滑力F(t)支墩宽度B(m)支墩长度L(m)支墩高度H(m)0.302.161.801.740.57摩擦系数f下滑力F(t)支墩宽度B(m)支墩长度L(m)支墩高度H(m)0.300.270.900.880.370.300.060.700.490.280.300.080.600.570.31