Lower Bound Limit Analysis Using Nonlinear Failure Criteria

被引：12
|
作者：
Li, Dazhong [1 ]
Cheng, Yungming [1 ]
机构：
[1] Hong Kong Polytech Univ, Dept Civil & Struct Engn, Hong Kong, Hong Kong, Peoples R China
来源：
2012 INTERNATIONAL CONFERENCE ON STRUCTURAL COMPUTATION AND GEOTECHNICAL MECHANICS (SCGM 2012) | 2012年 / 5卷
关键词：
limit analysis; lower bound; nonlinear yield criteria; finite element; slope stability; STABILITY ANALYSIS; SLOPE STABILITY;
D O I：
10.1016/j.proeps.2012.01.030
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
The aim of this paper is to establish a systematic framework for lower bound limit analysis by means of finite element method using nonlinear failure envelopes. In this research, a nonlinear yield criterion in the form of power was applied in the slope stability analysis and the yield criterion represented in Mohr plane was transformed into the principal plane such that numerical application FEM-based limit analysis was simplified. The exact solutions to the stability number of nonlinear yield criterion were bounded within 10% by present study and existing upper bound solutions from literature. (C) 2011 Published by Elsevier Ltd. Selection and/or peer-review under responsibility of Society for Resources, Environment and Engineering.
引用
收藏
页码：170 / 174
页数：5
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