桩板式挡土墙验算.docx

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1、桩板式挡土墙验算执行标准：通用计算项目：桩板式挡土墙3计算时间：2022-07-2423:53:58星期日原始条件:墙身尺寸:桩总长(m)18.400嵌入深度(In)9.200截面形状方桩桩宽(m)1.400桩高(In)1.500桩间距(m)3.500挡土板的类型数(=5)1嵌入段土层数(二20)2桩底支承条件较接计算方法M法初始弹性系数A(MNm3)0.000初始弹性系数AI(MN/m3)0.000桩前横坡角()0.000嵌入段地层类型土层板类型号板厚(m)板宽(m)板块数10.3000.70010层序号土层厚(m)重度(kNm)浮重度(kNm3)M(0)13.60021.0011.008.

2、00028.000250.00024.4914.4950.00055.000物理参数:桩混凝土强度等级C30桩纵筋合力点到外皮距离(mm)工一)桩纵筋级别HRB400桩箍筋级别HRB400桩箍筋间距(mm)200桩配筋形式桩拉区纵筋配筋范围(度)桩压区,拉区纵筋比板混凝土强度等级C30板纵筋合力点到外皮距离(mm)35板纵筋级别HRB400场地环境抗震地区墙后填土类型到/:填1.墙后第1层填土内摩擦角(度)28.000墙后第1层填土粘聚力(kPa)0.000墙后第1层填土容重(kNm3)21.000墙后第1层填土浮容重(kNm3)墙背与墙后填土摩擦角(度)14.000地震烈度设计烈度6度面侧地

3、震动水压力系数背侧地震动水压力系数地基土容重(kNm3)18.000地基土浮容重(kNm3)基底摩擦系数0.500地基浮力系数地基土类型岩石地基抗震基底容许偏心距B/3墙身地震力调整系数1.300地基土内摩擦角(度)16.OOO地基土粘聚力(kPa)40.000地基强度与偏心距验算时水平投影长作为基底宽地震参数:参数名称参数值地震烈度6水上地震角(度)0.000水下地震角(度)0.000水平地震系数Kh0.050重要性修正系数Ci1.000综合影响系数Cz0.300参数名称参数值坡面线段数1坡面起始是否低于墙顶是坡面起始距墙顶距离(m)0.000坡面起始距离(In)地面横坡角度(度)0.000

4、填土对横坡面的摩擦角(度)28.000挡墙分段长度(m)10.000土压力计算：土压力计算方法I库W坡线土柱:坡面线段参数:折线序号水平投影长(m)竖向投影长(m)坡线长(m)坡线仰角(度)换算上柱120.0000.00020.0000.0001换算土柱参数:土柱序号距离(In)宽度(In)高度(m)1-13.2005.0001.000整体稳定计算参数:是否计算整体稳定是稳定计算容许安全系数1.300稳定计算目标自动搜索最危险滑裂面土压力计算方法库仑条分法的土条宽度(m)1.000搜索时的圆心步长(m)1.000搜索时的半径步长(m)1.000钢筋混凝土配筋计算依据：混凝土结构设计规范(GB5

5、0010-2010)注意：内力计算时，库仑土压力分项(安全)系数=1.350第1种情况：一般情况土压力计算计算高度为9.2OO(In)处的库仑主动土压力第1破裂角：34.290(度)Ea=391.581(kN)Ex=379.949(kN)Ey=94.732(kN)作用点高度Zy=3.067(m)(一)桩身内力计算计算方法：m法背侧一一为挡土侧；面侧一一为非挡土侧。背侧最大弯矩=10908.032(kN-m)距离桩顶12.800(m)面侧最大弯矩=0.000(kN-m)距离桩顶0.000(m)最大剪力=3766.320(kN)距离桩顶14.822(m)桩顶点号位移=60(mm)距顶距离弯矩剪力位

6、移土反力横向承载力(m)(kN-m)(kN)(nun)(kPa)(kPa)10.0000.0000.000-60-0.0000.00020.5110.941-5.522-67-0.0000.00031.0227.526-22.088-54-0.0000.00041.53325.401-49.698-51-0.0000.00052.04460.211-88.353-48-0.0000.00062.556117.599-138.051-45-0.0000.00073.067203.211-198.794-42-0.0000.00083.578322.692-270.580-39-0.0000.00

7、094.089481.686-353.411-36-0.0000.000104.600687.164-457.873-33-0.0000.000115.Ill953.052-584.399-30-0.0000.000125.6221286.432-721.970-27-0.0000.000136.1331692.948-870.586-24-0.0000.000146.6442178.245-1030.245-21-0.0000.000157.1562747.969-1200.948-18-0.0000.000167.6673407.762-1382.696-15-0.0000.000178.

8、1784163.272-1575.487-12-0.0000.000188.6895020.143-1779.323-10-o.0000.000199.2005984.018-1989.386-9-0.0000.000209.7116998.355-1952.173-8-52.8280.0002110.2227979.573-1889.561-7-86.9940.0002210.3508216.820-1829.289-6-92.8570.0002310.7338906.848-1741.881-5-104.66021.4712411.2449767.832-1618.095-4-108.32

9、350.0852511.75610560.901-1489.841-3-100.78778.6992612.26711290.781-1375.813-3-85.127107.3142712.77811967.289-1303.615-2-64.670135.9282812.80011995.805-437.195-2-63.726137.1722913.28911795.736965.822-1-1875.908169.1553013.30911764.9802102.517-1-1839.003170.4743113.80010448.0592979.221-1-996.595202.52

10、83213.81810388.4983580.274-1-967.925203.7153314.3118473.6023968.048-0-279.269235.9013414.3278408.1234132.890-0-259.785236.9563514.8226322.2024143.8460236.085269.2743614.8366264.6023995.7820247.393270.1973715.3334317.3293753.9300548.931302.6473815.3454273.8193416.2900554.070303.4383915.8442655.590303

11、7.4880685.448336.0204015.8552626.9862617.5170686.628336.6794116.3561423.0271986.9370685.003369.3934216.867620.1681209.9760588.310402.7664317.378186.160585.9940429.053436.1394417.88921.151182.Ill0229.452469.5124518.4000.00041.38000.000502.885嵌入段为土层：滑动面以下1/3嵌固长度处:土反力77.252承载力107.314,横向承载力满足规范要求。桩底处：土反

12、力0.000承载力502.885,横向承载力满足规范要求。（二）桩身配筋计算点号距顶距离面侧纵筋背侧纵筋箍筋(m)(mm2)(mm2)(mm2)10.0004200420026720.5114200420026731.0224200420026741.5334200420026752.0444200420026762.5564200420026773.0674200420026783.5784200420026794.08942004200267104.60042004200267115.Ill42004200267125.62242004200267136.13342004276267146.64442005418267157.15642006772267167.66742008362267178.178420010220267