道路、电气、结构合集版-悬臂式基坑支护结构计算表excel.xls

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1、悬臂式基坑支护结构计算表一、地质情况原地面均布荷载q20.00KN/m2基坑深度h3.70m基坑重要性系数01.10地层力学指标一览表层号chiKaiKpi18.00.05.00.50.841.1919.010.015.01.60.591.70-上18.05.05.01.60.841.19-下18.05.05.08.40.841.1919.020.020.03.2160.492.04假定嵌入第层深度ht3.216m则锚固深度为hd11.62m桩长L15.32m二、土压力计算各层水平荷载计算（至桩低端，主动土压力）层号aikaikeaikeaikEaiZai29.0020.0024.3516.7

2、910.290.2359.4029.0019.631.7317.080.58-上88.2059.4064.8940.7184.490.74-下88.2088.2064.8964.89545.124.2088.2088.2015.2415.2449.001.61Eai705.97ha7.87各层水平荷载计算（至桩低端，被动土压力）层号pikpikepikepikEpiZpi-下151.200.00190.9910.91847.972.95212.30151.20490.14365.511375.901.53Epi2223.87hp3.30三、嵌固深度检算hpEpi1.20haEai1.310满足

3、条件，故锚固深度hd11.62m四、内力计算假定基坑以下hx深度剪力为0，则 eaep。66.4118*hx*1.19+2*5*(1.19)1/2hx2.52m各层水平荷载计算（至剪力为0处，主动土压力）层号aikaikeaikeaikEaziZai29.0020.0024.3516.7910.290.2359.4029.0019.631.7317.080.58-上88.2059.4064.8940.7184.490.74-下88.2088.2064.8964.89163.411.26Eazi275.27haz2.26各层水平荷载计算（至剪力为0处，被动土压力）层号pikpikepikepik

4、EpziZpi-下151.200.00190.9910.91254.200.88Epzi254.20hpz0.88MchpzEpzihazEazi则 Mc-397.46KNmVcEpziEazi则 Vc-21.07KN弯矩设计值M-546.50KNm剪力设计值V-28.97KN五、配筋计算假定采用800.00mm的钻孔灌注桩，保护层厚度s50.00C30混凝土浇筑，则fc14.30主筋采用HRB335级钢筋，则fy300.00设钢筋配置为，主筋根数n20根，主筋直径22.00As7602.65A502654.82K0.32M=2/31fcARsin3/+fyAsRs(sin+sint)/1 1

5、.00R 400.00Rs 350.00查表得，0.284t 0.682M699.32V0.7ftbh0+1.25fynAsvh0/sb1.76R 704.000h01.6R 640.000ft1.43箍筋采用HRB335级钢筋，则：箍筋间距s 150.00箍筋根数n 2fy300.00附表一 值表箍筋直径d 14mmAsv153.94KV943.610.010.113svmin0.215%0.020.139sv0.292%0.030.156附表二 fy值表0.040.169钢筋种类抗拉强度设计值0.050.180HPB235210.000.060.189HRB335300.000.070.1

6、97HRB400360.000.080.204RRB400360.000.090.2100.100.216附表三 1、fc、ft值表0.110.222砼等级1 值fcft0.120.226C151.007.20.910.130.231C201.009.61.100.140.235C251.0011.91.270.150.239C301.0014.31.430.160.243C351.0016.71.570.170.247C401.0019.11.710.180.250C451.0021.11.800.190.253C501.0023.11.890.200.256C550.9925.31.960

7、.210.259C600.9827.52.040.220.262C650.9729.72.090.230.264C700.9631.82.140.240.267C750.9533.82.180.250.269C800.9435.92.220.260.2720.270.274附表四 钢筋单延米重量表0.280.276直径（mm）每延米重量（kg）0.290.2786.00.2220.300.2806.50.2600.310.2828.00.3950.320.2848.20.4320.330.28610.00.6170.340.28812.00.8880.350.28914.01.2100.360

8、.29116.01.5800.370.29318.02.0000.380.29420.02.4700.390.29622.02.9800.400.29725.03.8500.410.29828.04.8300.420.30032.06.3100.430.30136.07.9900.440.30340.09.8700.450.30450.015.4200.460.3050.470.3060.480.307单根桩混凝土钢筋用量表0.490.309类别数量单位0.500.310C307.70m30.510.311HRB335912.83kg0.520.312HPB235548.15kg0.530.3

9、130.540.3140.550.3150.560.3160.570.3170.580.3180.590.3190.600.3200.610.3210.620.3220.630.3230.640.3230.650.3240.660.3250.670.3260.680.3270.690.3270.700.3280.710.3290.720.3300.730.3300.740.3310.750.3320.760.3320.770.3330.780.3340.790.3340.800.3350.810.3360.820.3360.830.3370.840.3370.850.3380.860.3390.870.3390.880.3400.890.3400.900.3410.910.3410.920.3420.930.3420.940.3430.950.3430.960.3440.970.3440.980.3450.990.3451.000.346地层名称素填土软塑粉质黏土淤泥（基坑面之上）淤泥（基坑面之下）硬塑粉质黏土备注Zai-土压力作用点距该层底端的垂直距离备注Zpi-土压力作用点距该层底端的垂直距离备注Zai-土压力作用点距该层底端的垂直距离备注Zpi-土压力作用点距该层底端的垂直距离mmMpaMpammmm2mm2KNmMpaMpamm2KN