Global method for stability analysis of anchored slopes

被引：22

作者：

Zhang, Tan ^{[1
]}

Zheng, Hong ^{[2
]}

Sun, Cong ^{[2
]}

机构：

[1] Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China

[2] Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Hubei, Peoples R China

来源：

INTERNATIONAL JOURNAL FOR NUMERICAL AND ANALYTICAL METHODS IN GEOMECHANICS | 2019年 / 43卷 / 01期

基金：

中国国家自然科学基金;

关键词：

anchors; global method; limit equilibrium method; slopes; stabilization; CRITICAL SLIP SURFACE;

D O I：

10.1002/nag.2856

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

Based on the global method, an approach is proposed to consider the effect of anchor reinforcement on slope stability, where equilibrium conditions are formulated in terms of the whole slip body. Anchor pre-tension is assumed to be undertaken by the whole slip body instead of individual slices, causing internal force within slope more realistic. Meanwhile, the optimization model for locating the critical slip surface is of weak nonlinearity and easy to solve using the conventional optimization procedures. The effects of anchoring orientation and position are thoroughly investigated, and interesting results are obtained.

引用

页码：124 / 137

页数：14

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