2号地通道基坑计算书

2#地通道基坑计算书计算项目：2号地通道基坑计算书（坡率法开挖）------------------------------------------------------------------------[计算简图][控制参数]:采用规范: 通用方法计算目标: 安全系数计算滑裂面形状:圆弧滑动法不考虑地震[坡面信息]坡面线段数2坡面线号水平投影(m)竖直投影(m)超载数113.5309.0000210.0000.0001超载1距离0.010(m)宽10.000(m)荷载(20.00--20.00kPa)270.00(度)[土层信息]上部土层数1层号层厚重度饱和重度粘结强度孔隙水压(m)(kN/m3)(kN/m3)(kPa)力系数150.00020.000----120.000---层号粘聚力内摩擦角水下粘聚水下内摩(kPa)(度)力(kPa)擦角(度)15.00026.000--------层号十字板τ强度增十字板τ水强度增长系(kPa)长系数下值(kPa)数水下值1------------================================================================下部土层数1层号层厚重度饱和重度粘结强度孔隙水压(m)(kN/m3)(kN/m3)(kPa)力系数150.00020.000----120.000---层号粘聚力内摩擦角水下粘聚水下内摩(kPa)(度)力(kPa)擦角(度)15.00026.000--------层号十字板τ强度增十字板τ水强度增长系(kPa)长系数下值(kPa)数水下值1------------不考虑水的作用[计算条件]圆弧稳定分析方法:Bishop法稳定计算目标:自动搜索最危险滑裂面条分法的土条宽度:1.000(m)搜索时的圆心步长:1.000(m)搜索时的半径步长:0.500(m)------------------------------------------------------------------------计算结果:------------------------------------------------------------------------[计算结果图]最不利滑动面:滑动圆心=(1.669,15.160)(m)滑动半径=15.944(m)滑动安全系数=1.252起始x终止xαliCiΦi条实重浮力地震力渗透力附加力X附加力Y下滑力抗滑力mθi超载竖向地震力地震力(m)(m)(度)(m)(kPa)(度)(kN)(kN)(kN)(kN)(kN)(kN)(kN)(kN)(kN)(kN)---------------------------------------------------------------------------------------------------------------------3.268-2.179-16.0001.1335.00026.003.400.000.000.000.000.00-0.948.320.853840.000.00-2.179-1.089-11.9621.1145.00026.009.320.000.000.000.000.00-1.9311.130.897510.000.00-1.0890.000-7.9841.1005.00026.0013.500.000.000.000.000.00-1.8712.850.936180.000.000.0000.834-4.5030.8375.00026.0016.790.000.000.000.000.00-1.3212.790.966310.000.000.8341.669-1.5000.8355.00026.0026.780.000.000.000.000.00-0.7017.420.989460.000.001.6692.6571.7770.9895.00026.0043.630.000.000.000.000.001.3525.921.011600.000.002.6573.6455.3390.9935.00026.0055.410.000.000.000.000.005.1630.981.031920.000.003.6454.6348.9211.0015.00026.0065.960.000.000.000.000.0010.2335.401.048330.000.004.6345.62212.5391.0135.00026.0075.250.000.000.000.000.0016.3439.261.060750.000.005.6226.61116.2081.0305.00026.0083.240.000.000.000.000.0023.2442.601.069030.000.006.6117.59919.9481.0525.00026.0089.850.000.000.000.000.0030.6545.451.072950.000.007.5998.58823.7791.0805.00026.0095.000.000.000.000.000.0038.3047.821.072230.000.008.5889.57627.7271.1175.00026.0098.550.000.000.000.000.0045.8549.711.066480.000.009.57610.56531.8251.1645.00026.00100.350.000.000.000.000.0052.9251.071.055160.000.0010.56511.55336.1151.2245.00026.00100.160.000.000.000.000.0059.0451.851.037520.000.0011.55312.54240.6561.3035.00026.0097.640.000.000.000.000.0063.6151.911.012530.000.0012.54213.53045.5341.4125.00026.0092.290.000.000.000.000.0065.8751.050.978600.000.0013.53014.47850.7641.4995.00026.0074.200.000.000.000.0018.7672.0053.600.934350.000.0014.47815.42656.5501.7215.00026.0049.590.000.000.000.0018.9657.1943.560.876350.000.0015.42616.37463.4572.1235.00026.0017.990.000.000.000.0018.9633.0628.610.795490.000.00总的下滑力=568.