2號地通道基坑計算書

2#地通道基坑計算書計算項目：2號地通道基坑計算書（坡率法開挖）------------------------------------------------------------------------[計算簡圖][控制參數(shù)]:采用規(guī)范: 通用方法計算目標(biāo): 安全系數(shù)計算滑裂面形狀:圓弧滑動法不考慮地震[坡面信息]坡面線段數(shù)2坡面線號水平投影(m)豎直投影(m)超載數(shù)113.5309.0000210.0000.0001超載1距離0.010(m)寬10.000(m)荷載(20.00--20.00kPa)270.00(度)[土層信息]上部土層數(shù)1層號層厚重度飽和重度粘結(jié)強(qiáng)度孔隙水壓(m)(kN/m3)(kN/m3)(kPa)力系數(shù)150.00020.000----120.000---層號粘聚力內(nèi)摩擦角水下粘聚水下內(nèi)摩(kPa)(度)力(kPa)擦角(度)15.00026.000--------層號十字板τ強(qiáng)度增十字板τ水強(qiáng)度增長系(kPa)長系數(shù)下值(kPa)數(shù)水下值1------------================================================================下部土層數(shù)1層號層厚重度飽和重度粘結(jié)強(qiáng)度孔隙水壓(m)(kN/m3)(kN/m3)(kPa)力系數(shù)150.00020.000----120.000---層號粘聚力內(nèi)摩擦角水下粘聚水下內(nèi)摩(kPa)(度)力(kPa)擦角(度)15.00026.000--------層號十字板τ強(qiáng)度增十字板τ水強(qiáng)度增長系(kPa)長系數(shù)下值(kPa)數(shù)水下值1------------不考慮水的作用[計算條件]圓弧穩(wěn)定分析方法:Bishop法穩(wěn)定計算目標(biāo):自動搜索最危險滑裂面條分法的土條寬度:1.000(m)搜索時的圓心步長:1.000(m)搜索時的半徑步長:0.500(m)------------------------------------------------------------------------計算結(jié)果:------------------------------------------------------------------------[計算結(jié)果圖]最不利滑動面:滑動圓心=(1.669,15.160)(m)滑動半徑=15.944(m)滑動安全系數(shù)=1.252起始x終止xαliCiΦi條實重浮力地震力滲透力附加力X附加力Y下滑力抗滑力mθi超載豎向地震力地震力(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總的下滑力=568.