Strength analysis of frictional failure of sand reinforced with grid-rib reinforcement under plane strain condition

QIU Cheng-chun; ZHANG Meng-xi; WEI Wei

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Strength analysis of frictional failure of sand reinforced with grid-rib reinforcement under plane strain condition

更新时间：2026-06-25

- Strength analysis of frictional failure of sand reinforced with grid-rib reinforcement under plane strain condition
- Vol. 32, Issue S2, (2011)
- 作者机构：
  
  1. 上海大学土木工程系,上海,200072
  2. 宏润建设集团股份有限公司,上海,200235
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU411
- Online First：26 August 2011，
  
  Published：2011
- 稿件说明：
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QIU Cheng-chun, ZHANG Meng-xi, WEI Wei. Strength analysis of frictional failure of sand reinforced with grid-rib reinforcement under plane strain condition[J]. 2011, 32(S2).
DOI：

QIU Cheng-chun, ZHANG Meng-xi, WEI Wei. Strength analysis of frictional failure of sand reinforced with grid-rib reinforcement under plane strain condition[J]. 2011, 32(S2). DOI：

摘要

网格状带齿加筋是H-V加筋的一种表现形式，根据水平筋形式的不同(孔洞的大小及数目)、齿筋高度的变化，在不同围压下对网格状带齿加筋砂进行了多组平面应变试验。研究了孔洞、齿筋高度以及围压对网格状带齿加筋砂土强度的影响；依据试样的破坏情况，分析了网格状带齿加筋附加约束力的组成，包括网格水平筋与土体之间的摩擦力，孔洞的紧箍作用，齿筋端部与土体的摩擦力以及齿筋的侧阻力；在传统水平筋强度理论的基础上，建立了平面应变条件下网格状带齿加筋砂发生摩擦型破坏时的强度公式，并与试验值进行了对比验证，结果表明二者较为接近

Abstract

Grid-rib reinforcement is a kind of horizontal-vertical (H-V) reinforcement. A series of plane strain tests of sand reinforced with grid-rib are carried out under different confining pressures. Studies are focused on the influence of holes’ sizes and kinds

various rib’s heights and different confining pressures. Based on the specimen failure situation

components of additional pressures are explained

including grid’s friction

pinching pressures of holes

rib point friction and rib’s lateral resistance. According to the strength theory of conventional reinforced soil

strength analysis of frictional failure of sand reinforced with grid-rib under plane-strain condition is conducted

and the results of analytical prediction are comparable with those from the plane-strain tests

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