铜梁一中食堂基坑支护计算书

------------------------------------------------------------------------计算项目：铜梁一中食堂基坑------------------------------------------------------------------------[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17.5005.0000210.0000.0001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15.00019.70020.100120.000---层号粘聚力内摩擦角水下粘聚水下内摩(kPa)(度)力(kPa)擦角(度)15.00025.0003.00020.000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13.00019.70020.100120.000---层号粘聚力内摩擦角水下粘聚水下内摩(kPa)(度)力(kPa)擦角(度)15.00025.0003.00020.000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------------[水面信息]采用总应力法考虑渗透力作用不考虑边坡外侧静水压力水面线段数1水面线起始点坐标:(0.000,2.000)水面线号水平投影(m)竖直投影(m)120.0000.000[计算条件]圆弧稳定分析方法:瑞典条分法土条重切向分力与滑动方向反向时:当下滑力对待稳定计算目标:给定圆心、半径计算安全系数条分法的土条宽度:1.000(m)圆心X坐标:2.000(m)圆心Y坐标:13.000(m)半径:15.000(m)------------------------------------------------------------------------计算结果:------------------------------------------------------------------------[计算结果图]滑动圆心=(2.000,13.000)(m)滑动半径=15.000(m)滑动安全系数=1.271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)---------------------------------------------------------------------------------------------------------------------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