銅梁一中食堂基坑支護計算書

------------------------------------------------------------------------計算項目：銅梁一中食堂基坑------------------------------------------------------------------------[計算簡圖][控制參數(shù)]:采用規(guī)范: 通用方法計算目標: 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)17.5005.0000210.0000.0001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)強度孔隙水壓(m)(kN/m3)(kN/m3)(kpa)力系數(shù)15.00019.70020.100120.000---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)15.00025.0003.00020.000層號十字板τ強度增十字板τ水強度增長系(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)強度孔隙水壓(m)(kN/m3)(kN/m3)(kpa)力系數(shù)13.00019.70020.100120.000---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)15.00025.0003.00020.000層號十字板τ強度增十字板τ水強度增長系(kPa)長系數(shù)下值(kPa)數(shù)水下值1------------[水面信息]采用總應(yīng)力法考慮滲透力作用不考慮邊坡外側(cè)靜水壓力水面線段數(shù)1水面線起始點坐標:(0.000,2.000)水面線號水平投影(m)豎直投影(m)120.0000.000[計算條件]圓弧穩(wěn)定分析方法:瑞典條分法土條重切向分力與滑動方向反向時:當下滑力對待穩(wěn)定計算目標:給定圓心、半徑計算安全系數(shù)條分法的土條寬度:1.000(m)圓心X坐標:2.000(m)圓心Y坐標:13.000(m)半徑:15.000(m)------------------------------------------------------------------------計算結(jié)果:------------------------------------------------------------------------[計算結(jié)果圖]滑動圓心=(2.000,13.000)(m)滑動半徑=15.000(m)滑動安全系數(shù)=1.271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)---------------------------------------------------------------------------------------------------------------------5.483-4.569-27.9501.0353.00020.004.450.000.000.000.000.00-2.094.540.000.00-4.569-3.656-24.0621.0013.00020.0012.660.000.000.000.000.00-5.167.210.000.00-3.656-2.742-20.2890.9753.00020.0019.510.000.000.000.000.00-6.769.580.000.00-2.742-1.828-16.6060.9543.00020.0025.110.000.000.000.000.00-7.1811.620.000.00-1.828-0.914-12.9930.9383.00020.0029.550.000.000.000.000.00-6.6413.300.000.00-0.914-0.000-9.4320.9273.00020.0032.880.000.000.000.000.00-5.3914.590.000.000.0001.000-5.7421.0053.00020.0045.220.000.000.000.000.00-4.5219.390.000.001.0002.000-1.9111.0013.00020.0059.960.000.000.000.000.00-2.0024.820.000.002.0003.0001.9111.0013.00020.0073.360.000.000.000.000.002.4529.690.000.003.0003.7505.2610.7533.00020.0062.970.000.000.000.000.005.7725.080.000.003.7504.5008.1470.7583.00020.0069.030.000.000.000.000.009.7827.140.000.004.5005.50011.5441.0213.00020.00100.400.000.000.000.000.0020.0938.860.000.005.5006.50015.4761.0383.00020.00108.700.000.000.000.000.0029.0041.240.000.006.5007.50019.4841.0613.00020.00115.490.000.000.000.000.0038.5242.810.000.007.5008.49223.5771.0823.00020.00113.200.000.000.000.0019.6353.1347.560.000.008.4929.48327.7851.1213.00020.00103.680.000.000.000.0019.8357.5843.140.000.009.48310.38831.9641.0673.00020.0084.720.000.000.000.0018.1054.4334.950.000.0010.38811.29336.1421.1213.00020.0073.580.000.000.000.0018.1054.0730.310.000.0011.29312.19840.5581.1913.00020.0060.520.000.000.000.0018.1051.1225.310.000.0012.19813.18045.5121.4025.00025.0048.380.000.000.000.0019.6548.5329.240.000.0013.18013.93450.4521.1855.00025.0022.930.000.000.000.0015.0829.3117.210.000.0013.93414.68955.2421.3235.00025