Test study on frictional strength of interlock blocks and two-way geogrids

ZHANG Wen-hui; WANG Bao-tian; LI Chun-hua

English Version Journal Login

您当前的位置：

首页 >

文章列表页 >

Test study on frictional strength of interlock blocks and two-way geogrids

更新时间：2026-06-25

- Test study on frictional strength of interlock blocks and two-way geogrids
- Vol. 28, Issue 11, (2007)
- 作者机构：
  
  1. 河海大学岩土工程水利部重点实验室/岩土工程科学研究所,南京,210098
  2. 江西省水利规划设计院,南昌,330029
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU431
- Online First：18 October 2013，
  
  Published：2007
- 稿件说明：
移动端阅览
ZHANG Wen-hui, WANG Bao-tian, LI Chun-hua. Test study on frictional strength of interlock blocks and two-way geogrids[J]. 2007, 28(11).
DOI：

ZHANG Wen-hui, WANG Bao-tian, LI Chun-hua. Test study on frictional strength of interlock blocks and two-way geogrids[J]. 2007, 28(11). DOI：

摘要

在自嵌式砌块加筋挡土墙工程中，加筋与填土及自嵌式砌块的界面作用特性是最关键的技术指标，直接决定该工程的内部稳定性。通过室内拉拔试验可知，当法向应力大于24.8 kPa时，双向土工格栅会在其与上砌块后缘互锁连接接触处被拉断，而不是从混凝土砌块间被拔出，且此时双向土工格栅发挥出的抗拉强度远小于其条带拉伸情况下的抗拉强度；双向土工格栅与混凝土砌块界面间的强度包线由两段直线组成，当法向应力小于24.8 kPa时，摩擦强度随法向应力的增大而增大；当法向应力大于24.8 kPa时，摩擦强度为一常数。

Abstract

The interaction characteristics of the interface between geogrids reinforcement and soil as well as geogrids reinforcement and interlock concrete blocks are the two key indexes for the stability of interlock segmental reinforced retaining walls. It is found that the two-way geogrids reinforcement would be tension fracture when the normal stress is over 24.8 kPa from the results of pullout test

and under this condition the tensile strength of the geo-grid is lesser than that when the two-way geogrid is tensed in the air. The strength envelopes is composed by two straight lines

the frictional strength between two-way geogrid reinforcement and interlock concrete blocks increases with the increase of normal stress when normal stress is less than 24.8 kPa and is invariable when normal stress is over 24.8 kPa.

关键词

Keywords

references

Views

1208

下载量

CSCD

Alert me when the article has been cited

提交

Tools

Publicity Resources

Test study on interaction characteristics between two-way geogrids and clay

Micro and meso-mechanism study of interface behavior of earth reinforced with denti-inclusions

Analysis of ultimate pullout resistance of geogrids with strengthening ribs

Experimental research on pullout test of waste tire with sand confinement

Research on direct shear test and pullout test between clay and geotextile

Related Author

LI Shou-de

ZHANG Fu-hai

WANG Bao-tian

ZHANG Wen-hui

ZHAO Gang-fei

ZHANG Meng-xi

ZHANG Bo

LIN Yong-liang

Related Institution

Institute of Geotechnical Engineering, Hohai University

Key Laboratory for Geotechnical Engineering of Ministry of Water Resources, Hohai University

Lu’an Engineering Co., Ltd.

Department of Civil Engineering, Shanghai University

Engineering Management Center, Dahua Group Co., Ltd.

AI问答

⁰