Numerical analysis of working properties and soil pressure calculation of geosynthetic-reinforced soil gravity retaining wall

ZOU Wei-lie; LENG Jian-jun; WANG Xie-qun

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Numerical analysis of working properties and soil pressure calculation of geosynthetic-reinforced soil gravity retaining wall

更新时间：2026-06-25

- Numerical analysis of working properties and soil pressure calculation of geosynthetic-reinforced soil gravity retaining wall
- Vol. 32, Issue S2, (2011)
- 作者机构：
  
  1. 武汉大学土木建筑工程学院,武汉,430072
  2. 武汉大学岩土与结构工程安全湖北省重点实验室,武汉,430072
  3. Tenax Corporation, Baltimore, MD,美国,21205
  4. 武汉理工大学土木工程与建筑学院,武汉,430070
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU472.3
- Online First：26 August 2011，
  
  Published：2011
- 稿件说明：
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ZOU Wei-lie, LENG Jian-jun, WANG Xie-qun. Numerical analysis of working properties and soil pressure calculation of geosynthetic-reinforced soil gravity retaining wall[J]. 2011, 32(S2).
DOI：

ZOU Wei-lie, LENG Jian-jun, WANG Xie-qun. Numerical analysis of working properties and soil pressure calculation of geosynthetic-reinforced soil gravity retaining wall[J]. 2011, 32(S2). DOI：

摘要

“重力式加筋土挡墙”在实际工程中已有不少应用，但由于缺乏对其工作性能的系统研究，目前我国相关规范尚无其设计方法，实际工程中一般根据经验设计，缺乏理论依据。采用FLAC2D程序，模拟一个施工顺序为“先筑墙，后填加筋土”的重力式加筋土挡墙，分墙后填土到墙顶和墙顶堆载完成两个阶段，分析加筋土工格栅对挡墙的水平位移和墙后填土的水平位移、水平应力的影响；土工格栅拉力及拉应变随墙后填土和墙顶堆载的变化。在此基础上，对采用“先筑墙，后填加筋土”工序的重力式加筋土挡墙墙后土压力的计算方法提出了初步建议

Abstract

Geosynthitic-reinforced soil gravity retaining wall (GRSGRW) has been applied more and more to the practical engineering projects in recent years. Due to be short of systematically research on the working properties of the new retaining wall system

the design theory and method for GRSGRW in the relative codes in China are not yet regulated; so some design methods based on experiences

which are short of the theoretical foundation

have to be applied to the design of GRSGRW. In this paper

taking a construction sequence (filling geosynthitic-reinforced soil after finishing the pouring of gravity retaining wall) into account

the working properties of GRSGRW are simulated by means of FLAC2D. The effects of geogrids on the horizontal displacement of gravity retaining wall

and the horizontal displacement and the horizontal stress of filling，as well as the changing of geogrids tensile stress and tensile strain with the filling stages are analyzed. Based on the analytical results

a method for calculating soil pressure acting on the back of gravity retaining wall is suggested.

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