重力式挡土墙设计计算

重力式挡土墙计算（墙后填粘性土水平）,,,,,,,,,,,,,,,,,,

一、基础资料,,,,,,,,,,,,,,,,,,

墙高H（m）,墙背填土重度γ（KN/m3）,墙背填土内摩擦角ψ,,墙背与铅直线夹角ε,,墙背填土粘聚力c（kPa）,墙前水位H1（m）,墙后水位H2（m）,墙后车辆人群等附加荷载qL（kN/m）,,,,,,,,,

9.5,20,23度,0.401425728弧度,26.57度,0.463733982弧度,10,7,0,20,,,,,,,,,

初拟尺寸,墙顶宽b（m）,后趾墙高h1（m）,前趾墙高h2（m）,墙前坡比m,后趾L1（m）,前趾L2（m）,墙底宽（m）,,,,,,,,,,,

,0.5,1,1,0,0.2,1,5.950917755,,,,,,,,,,,

基底摩擦系数f,地基容许承载力[P]（kPa）,C20砼抗剪强度fc(Mpa),挡土墙体C20砼重度（KN/m3）,,,,,,,,,,,,,,,

0.390728944,300,10,24,,,,,,,,,,,,,,,

安全系数,,抗滑稳定安全系数[Kc],抗倾覆稳定安全系数[K0],压力分布不均匀系数[η],,,,,,,,,,,,,,

,基本组合,1.2,1.4,2,,,,,,,,,,,,,,

,特殊组合,1.05,1.3,2.5,,,,,,,,,,,,,,

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五、总体结论,,,,,,,,,,,,,,,,,,

满足,,,,,,,,,,满足,,,,,,,,

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二、荷载计算,,,,,,,,,,,,,,,,,,

主动土压力系数Ka,考虑粘聚力时土压力为0时的深度z0（m）,主动土压力Pa（kN/m）,附加土压力eh（kN/m）,基底扬压力（kN/m）,前趾墙处静水压力强度（kPa）,墙底处静水压力强度（kPa）,,,,,,,,,,,,

0.438092496,1.510835194,279.6202211,8.761849922,208.2821214,60,70,,,,,,,,,,,,

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完建期重力式挡土墙受力情况表（1m范围内）,,,,,,,,,,施工期重力式挡土墙受力情况表（1m范围内）,,,,,,,,

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荷载名称,,竖直力(kN),,水平力(kN),,力臂(m),弯矩(kN·m),,,荷载名称,,竖直力(kN),,水平力(kN),,力臂(m),弯矩(kN·m),

,,向下,向上,向左,向右,,顺时针,逆时针,,,,向下,向上,向左,向右,,顺时针,逆时针

土压力,主动土压力,,,,279.6202211,2.663054935,744.6440099,,,土压力,主动土压力,,,,279.6202211,2.663054935,744.6440099,

,附加土压力,,,8.761849922,,4.75,,41.61878713,,,附加土压力,,,8.761849922,,4.75,,41.61878713

土重,墙后三角形,361.3280092,,,,4.33394517,,1565.97578,,土重,墙后三角形,361.3280092,,,,4.33394517,,1565.97578

,矩形,34,,,,5.850917755,,198.9312037,,,矩形,34,,,,5.850917755,,198.9312037

水重,墙前三角形,0,,,,0.4,,0,,自重,墙后趾墙,0,,,,3.725458878,,0

,矩形,60,,,,0.5,,30,,,底板,142.8220261,,,,2.975458878,,424.9610656

静水压力,墙前三角形,,,180,,3,,540,,,墙后三角形,433.5936111,,,,2.916972585,,1264.780677

,矩形,,,65,,0.333333333,,21.66666667,,,中间直墙,102,,,,1.25,,127.5

基底扬压力,,,208.2821214,,,1.983639252,413.1565915,,,,墙前三角形,0,,,,1,,0

自重,墙后趾墙,0,,,,3.725458878,,0,,,墙前趾墙,0,,,,1,,0

,底板,142.8220261,,,,2.975458878,,424.9610656,,合计,,1073.743646,0,8.761849922,279.6202211,,744.6440099,3623.767513

,墙后三角形,433.5936111,,,,2.916972585,,1264.780677,,,,1073.743646,,-270.8583712,,,2879.123503,

,中间直墙,102,,,,1.25,,127.5,,,,,,,,,,

,墙前三角形,0,,,,1,,0,,,,,,,,,,

,墙前趾墙,0,,,,1,,0,,,,,,,,,,

合计,,1133.743646,208.2821214,253.7618499,279.6202211,,1157.800601,4215.43418,,,,,,,,,,

,,925.461525,,-25.8583712,,,3057.633579,,,,,,,,,,,

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三、稳定及地基验算,,,,,,,,,,,,,,,,,,

总弯矩M,垂直合力G,水平合力P,,,,,,,,,,,,,,,,

3057.633579,925.461525,-25.8583712,,,,,,,,,,,,,,,,

抗滑稳定安全系数Kc,,满足抗滑稳定,,抗倾覆稳定安全系数K0,,满足抗倾覆稳定,,,,抗滑稳定安全系数Kc,,满足抗滑稳定,,抗倾覆稳定安全系数K0,,满足抗倾覆稳定,,

13.98404416,,,,3.640898247,,,,,,1.548937622,,,,4.866442844,,,,

合力偏心距e（m）,可行,最大基底压力Pmax（kPa）,最小基底压力Pmin（kPa）,平均基底压力（kPa）,可行,压力分布不均匀系数η,可行,,,合力偏心距e（m）,可行,最大基底压力Pmax（kPa）,最小基底压力Pmin（kPa）,平均基底压力（kPa）,可行,压力分布不均匀系数η,可行,

-0.328442469,,207.0150296,104.0164997,155.5157646,,1.990213382,,,,0.294070715,,233.9310635,126.9355089,180.4332862,,1.842912716,,

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四、构件截面强度验算,,,,,,,,,,,,,,,,,,

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构件截面突变处受力情况表（1m范围内）,,,,,,,,,,构件截面突变处受力情况表（1m范围内）,,,,,,,,

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荷载名称,,竖直力(kN),,水平力(kN),,力臂(m),弯矩(kN·m),,,荷载名称,,竖直力(kN),,水平力(kN),,力臂(m),弯矩(kN·m),

,,向下,向上,向左,向右,,顺时针,逆时针,,,,向下,向上,向左,向右,,顺时针,逆时针

土压力,主动土压力,,,,214.001283,2.329721602,498.563412,,,土压力,主动土压力,,,,214.001283,2.329721602,498.563412,

,附加土压力,,,8.761849922,,4.25,,37.23786217,,,附加土压力,,,8.761849922,,4.25,,37.23786217

土重,,361.3280092,,,,3.33394517,,1204.647771,,土重,,361.3280092,,,,3.33394517,,1204.647771

静水压力,,,,180,,2,,360,,自重,墙后三角形,433.5936111,,,,1.916972585,,831.1870655

水重,,0,,,,0,,0,,,中间直墙,102,,,,0.25,,25.5

扬压力,,,178.5275327,,,,,,,,墙前三角形,0,,,,0.25,,0

自重,墙后三角形,433.5936111,,,,1.916972585,,831.1870655,,合计,,896.9216203,0,8.761849922,214.001283,,498.563412,2098.572699

,中间直墙,102,,,,0.25,,25.5,,,,896.9216203,,-205.2394331,,,1600.009287,

,墙前三角形,0,,,,0.25,,0,,,,,,,,,,

合计,,896.9216203,178.5275327,188.7618499,214.001283,,498.563412,2458.572699,,,,,,,,,,

,,718.3940876,,-25.23943312,,,1960.009287,,,,,,,,,,,

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截面基底宽度（m）,合力偏心距e（m）,可行,计算截面最大正应力σmax(Mpa),计算截面最小正应力σmin(Mpa),可行,计算截面剪应力τ(Mpa),可行,,,截面基底宽度（m）,合力偏心距e（m）,可行,计