抗滑桩计算书

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1、------------------------------------------------------------------------原始条件:墙身尺寸:桩总长:16.000(m)嵌入深度:6.000(m)截面形状:方桩桩宽:1.000(m)桩高:1.500(m)桩间距:4.000(m)嵌入段土层数:1桩底支承条件:铰接计算方法:M法土层序号土层厚(m)重度(kN/m3)M(MN/m4)150.00018.00010.000初始弹性系数A:0.000(MN/m3)初始弹性系数A1:0.000(MN/m3)桩前滑动土层

2、厚:8.000(m)锚索参数:锚索道数:0锚索竖向间距水平刚度道号(m)(MN/m)物理参数:桩混凝土强度等级:C30桩纵筋合力点到外皮距离:35(mm)桩纵筋级别:HRB335桩箍筋级别:HPB235桩箍筋间距:200(mm)挡土墙类型:一般挡土墙墙后填土内摩擦角:35.000(度)墙背与墙后填土摩擦角:17.500(度)墙后填土容重:19.000(kN/m3)坡线与滑坡推力:坡面线段数:2折线序号水平投影长(m)竖向投影长(m)13.0002.00025.0000.000地面横坡角度:20.000(度)墙顶标高:0.000

3、(m)参数名称参数值推力分布类型矩形桩后剩余下滑力水平分力500.000(kN/m)桩后剩余抗滑力水平分力0.000(kN/m)钢筋混凝土配筋计算依据:《混凝土结构设计规范GB50010--2002》注意：内力计算时，滑坡推力、库仑土压力分项(安全)系数=1.200=====================================================================第1种情况:滑坡推力作用情况[桩身所受推力计算]假定荷载矩形分布:桩后:上部=200.000(kN/m)下部=200.000(k

4、N/m)桩前:上部=0.000(kN/m)下部=0.000(kN/m)桩前分布长度=8.000(m)(一)桩身内力计算计算方法:m法背侧——为挡土侧；面侧——为非挡土侧。背侧最大弯矩=15080.956(kN-m)距离桩顶12.000(m)面侧最大弯矩=0.000(kN-m)距离桩顶0.000(m)最大剪力=6083.449(kN)距离桩顶15.667(m)最大位移=307(mm)点号距顶距离弯矩剪力位移土反力(m)(kN-m)(kN)(mm)(kPa)10.0000.000-0.000-306.640.00020.32312

5、.487-77.419-299.080.00030.64549.948-154.839-291.520.00040.968112.383-232.258-283.960.00051.290199.792-309.677-276.400.00061.613312.175-387.097-268.840.00071.935449.532-464.516-261.290.00082.258611.863-541.936-253.740.00092.581799.168-619.355-246.200.000102.9031011.4

6、46-696.774-238.670.000113.2261248.699-774.194-231.160.000123.5481510.926-851.613-223.660.000133.8711798.127-929.032-216.170.000144.1942110.302-1006.452-208.710.000154.5162447.451-1083.871-201.280.000164.8392809.573-1161.290-193.870.000175.1613196.670-1238.710-186.50

7、0.000185.4843608.741-1316.129-179.170.000195.8064045.785-1393.548-171.890.000206.1294507.805-1470.968-164.650.000216.4524994.797-1548.387-157.470.000226.7745506.764-1625.807-150.350.000237.0976043.705-1703.226-143.300.000247.4196605.619-1780.645-136.330.000257.74271

8、92.508-1858.065-129.430.000268.0657804.371-1935.484-122.630.000278.3878441.207-2012.903-115.920.000288.7109103.017-2090.323-109.310.000299