桩板式挡土墙验算

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(m)9.200截面形状方桩桩宽(m)1.400桩高(m)1.500桩间距(m)3.500挡土板的类型数(<=5)1嵌入段土层数(<=20)2桩底支承条件铰接计算方法M法初始弹性系数A(MN/m3)0.000初始弹性系数A1(MN/m3)0.000桩前横坡角(°)0.000嵌入段地层类型土层板类板厚板宽板块型号(m)(m)数10.3000.70010土层土层厚重度浮重度Mφ序号(m)(kN/m3)(kN/m3)(°)13.60021.0011.008.00028.000250.00024.4914.4950.00055.000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)35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多层填土墙后第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(kN/m3)21.000墙后第1层填土浮容重(kN/m3)---墙背与墙后填土摩擦角(度)14.000地震烈度设计烈度6度面侧地震动水压力系数---背侧地震动水压力系数---地基土容重(kN/m3)18.000地基土浮容重(kN/m3)---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)16.000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土压力计算：土压力计算方法库仑坡线土柱: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(m)---地面横坡角度(度)0.000填土对横坡面的摩擦角(度)28.000挡墙分段长度(m)10.000坡面线段参数:折线水平投竖向投坡线长坡线仰换算序号影长(m)影长(m)(m)角(度)土柱120.0000.00020.0000.0001换算土柱参数:土柱距离(m)宽度(m)高度(m)序号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》(GB50010-2010)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9.200(m)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——为挡土侧；面侧——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)桩顶位移=60(mm)点号距顶距离弯矩剪力位移土反力横向承载力(m)(kN-m)(kN)(mm)(kPa)(kPa)10.0000.0000.000-60-0.0000.00020.5110.941-5.522-67-0.0000.00031.0227.526-22.088-54-0.0000.00041.53325.401-49.698-51-0.0000.00052.04460.211-88.353-48-0.0000.00062.556117.599-138.051-45-0.0000.00073.067203.211-198.794-42-0.0000.00083.578322.692-270.580-39-0.0000.00094.089481.686-353.411-36-0.0000.000104.600687.164-457.873-33-0.0000.000115.111953.052-584.399-30-0.0000.000125.6221286.432-721.970-27-0.0000.000136.1331692.948-870.586-24-0.0000.000146.6442178.245-1030.245-21-0.0000.000157.1562747.969-1200.948-18-0.0000.000167.6673407.762-1382.696-15-0.0000.000178.1784163.272-1575.487-12-0.0000.000188.6895020.143-1779.323-10-0.0000.000199.2005984.018-1989.386-9-0.0000.000209.7116998.355-1952.173-8-52.8280.0002110.2227979.573-1889.561-7-86.9940.0002210.3508216.820-1829.289-6-92.8570.0002310.7338906.848-1741.881-5-104.66021.4712411.2449767.832-1618.095-4-108.32350.0852511.75610560.901-1489.841-3-100.78778.6992612.26711290.781-1375.813-3-85.127107.3142712.77811967.289-1303.615-2-64.670135.9282812.80011995.805-437.195-2-63.726137.1722913.28911795.736965.822-1-1875.908169.1553013.30911764.9802102.517-1-1839.003170.4743113.80010448.0592979.221-1-996.595202.5283213.81810388.4983580.274-1-967.925203.7153314.3118473.6023968.048-0-279.269235.9013414.3278408.1234132.890-0-259.785236.9563514.8226322.2024143.8460236.085269.2743614.8366264.6023995.7820247.393270.1973715.3334317.3293753.9300548.931302.6473815.3454273.8193416.2900554.070303.4383915.8442655.5903037.4880685.448336.0204015.8552626.9862617.5170686.628336.6794116.3561423.0271986.9370685.003369.3934216.867620.1681209.9760588.310402.7664317.378186.160585.9940429.053436.1394417.88921.151182.1110229.452469.5124518.4000.00041.38000.000502.885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)10.0004200420026720.5114200420026731.0224200420026741.5334200420026752.0444200420026762.5564200420026773.0674200420026783.5784200420026794.08942004200267104.60042004200267115.11142004200267125.62242004200267136.13342004276267146.64442005418267157.15642006772267167.66742008362267178.178420010220267188.689420012383267199.200420014895267209.7114200176382672110.2224200204012672210.3504200210872672310.7334200231232672411.2444200257582672511.7564200282902672612.2674200307212672712.7784200320732672812.8004200321222672913.2894200314312673013.3094200313202673113.8004200278166113213.8184200276218903314.31142002166710693414.32742002147411453514.82242001558411503614.83642001542910803715.3334200103599673815.3454200102508103915.844420062906334015.855420062224384116.356420042002674216.867420042002674317.378420042002674417.889420042002674518.40042004200267(三)挡土板内力配筋计算板类型板厚板下缘距顶最大土压力单块板弯矩单块板受拉侧纵筋号(mm)距离(m)(kPa)(kN-m)面积(mm2)13007.000101.811109.1281250(四)整体稳定验算最不利滑动面:圆心:(-1.75000,0.51111)半径=19.18873(m)安全系数=2.048总的下滑力 =1676.090(kN)总的抗滑力 =3432.507(kN)土体部分下滑力 =1676.090(kN)土体部分抗滑力 =3432.507(kN)筋带的抗滑力 =0.000(kN) 整体稳定验算满足:最小安全系数=2.048≥1.300=====================================================================第2种情况:地震情况[土压力计算]计算高度为9.200(m)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——为挡土侧；面侧——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)桩顶位移=60(mm)点号距顶距离弯矩剪力位移土反力横向承载力(m)(kN-m)(kN)(mm)(kPa)(kPa)10.0000.0000.000-60-0.0000.00020.5110.941-5.522-57-0.0000.00031.0227.526-22.088-54-0.0000.00041.53325.401-49.698-51-0.0000.00052.04460.211-88.353-48-0.0000.00062.556117.599-138.051-45-0.0000.00073.067203.211-198.794-42-0.0000.00083.578322.692-270.580-39-0.0000.00094.089481.686-353.411-36-0.0000.000104.600687.164-457.873-33-0.0000.000115.111953.052-584.399-30-0.0000.000125.6221286.432-721.970-27-0.0000.000136.1331692.948-870.586-24-0.0000.000146.6442178.245-1030.245-21-0.0000.000157.1562747.969-1200.948-18-0.0000.000167.6673407.762-1382.696-15-0.0000.000178.1784163.272-1575.487-12-0.0000.000188.6895020.143-1779.323-10-0.0000.000199.2005984.018-1989.386-9-0.0000.000209.7116998.355-1952.173-8-52.8280.0002110.2227979.573-1889.561-7-86.9940.0002210.3508216.820-1829.289-6-92.8570.0002310.7338906.848-1741.881-5-104.66021.4712411.2449767.832-1618.095-4-108.32350.0852511.75610560.901-1489.841-3-100.78778.6992612.26711290.781-1375.813-3-85.127107.3142712.77811967.289-1303.615-2-64.670135.9282812.80011995.805-437.195-2-63.726137.1722913.28911795.736965.822-1-1875.908169.1553013.30911764.9802102.517-1-1839.003170.4743113.80010448.0592979.221-1-996.595202.5283213.81810388.4983580.274-1-967.925203.7153314.3118473.6023968.048-0-279.269235.9013414.3278408.1234132.890-0-259.785236.9563514.8226322.2024143.8460236.085269.2743614.8366264.6023995.7820247.393270.1973715.3334317.3293753.9300548.931302.6473815.3454273.8193416.2900554.070303.4383915.8442655.5903037.4880685.448336.0204015.8552626.9862617.5170686.628336.6794116.3561423.0271986.9370685.003369.3934216.867620.1681209.9760588.310402.7664317.378186.160585.9940429.053436.1394417.88921.151182.1110229.452469.5124518.4000.00041.38000.000502.885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)10.0004200420026720.5114200420026731.0224200420026741.5334200420026752.0444200420026762.5564200420026773.0674200420026783.5784200420026794.08942004200267104.60042004200267115.11142004200267125.62242004200267136.13342004276267146.64442005418267157.15642006772267167.66742008362267178.178420010220267188.689420012383267199.200420014895267209.7114200176382672110.2224200204012672210.3504200210872672310.7334200231232672411.2444200257582672511.7564200282902672612.2674200307212672712.778420032073267281