Research on active earth pressure behind retaining wall adjacent to existing basements exterior wall considering soil arching effects

ZHAO Qi; ZHU Jian-ming

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Research on active earth pressure behind retaining wall adjacent to existing basements exterior wall considering soil arching effects

更新时间：2026-06-25

- Research on active earth pressure behind retaining wall adjacent to existing basements exterior wall considering soil arching effects
- Vol. 35, Issue 3, (2014)
- 作者机构：
  
  北方工业大学建筑工程学院,北京,100144
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU432
- Online First：19 March 2014，
  
  Published：2014
- 稿件说明：
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ZHAO Qi, ZHU Jian-ming. Research on active earth pressure behind retaining wall adjacent to existing basements exterior wall considering soil arching effects[J]. 2014, 35(3).
DOI：

ZHAO Qi, ZHU Jian-ming. Research on active earth pressure behind retaining wall adjacent to existing basements exterior wall considering soil arching effects[J]. 2014, 35(3). DOI：

摘要

当挡土墙附近存在临近建筑地下室外墙时，其挡土墙土压力与传统的Rankine理论基于无限半空间体假定不符，因而在这种新的工程背景下需要采用合适的理论来计算挡土墙土压力及其作用点高度。已有的研究表明，这种条件下土体的变形趋势可分为上、下两大部分：上部土体变形类似于Terzaghi的活动门试验，土体沿着墙体下滑，而下部土体则沿着土楔形体而变形。因而将土拱效应用于求解挡土墙土压力的计算分成了上、下两大部分考虑。假定土拱形状为圆弧，基于主应力旋转概念分别给出了上、下两部分的侧向土压力系数，运用水平微分层析法基于静力平衡思想给出了两部分的水平向主动土压力分布公式。最后通过坐标平移的方式给出了主动土压力合力及其作用点高度的表达式。算例表明，计算结果与数值计算结果较为接近，其结果对实际工程有一定的参考价值。

Abstract

It was necessary to use the adaptive theory for computing the distribution of earth pressure behind the wall adjacent to existing basements and the height of total earth pressure

because it was inconsistent with the Rankine’s theory which was based on the semi-infinite half space state. It could be divided two parts of the deformation trends by considering soil arching effect. The upper soil parts slide down alongside the wall which is same with Terzaghi’s tarp door experiment. Also

the lower soil parts slide down as a triangle the soil wedge. So it is reliable that the earth pressure behind the retaining wall adjacent to existing basement should be analyzed based on the above deformation trends of the upper part and lower part. Assuming the arch in soil arching as circular

the lateral coefficients of earth pressure of retaining wall about both upper and lower parts are derived from the principal stress rotation. And the formula of distribution of lateral active earth pressure is given based on the soil static wedge equilibrium. Expressions of the total earth pressure and the height of acting point are derived by translation of coordinates. According to the examples

the results by proposed method are close to the simulation results. So it has a significant meaning for active earth pressure theory which considering the soil arching effect.

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