Parametric studies of disturbed rock slope stability based on finite element limit analysis methods

被引：49
|
作者：
Qian, Z. G. [1 ]
Li, A. J. [1 ]
Lyamin, A. V. [2 ]
Wang, C. C. [3 ]
机构：
[1] Deakin Univ, Sch Engn, Geelong, Vic 3217, Australia
[2] Univ Newcastle, Ctr Geotech & Mat Modelling, Callaghan, NSW 2308, Australia
[3] Cheng Shiu Univ, Dept Civil Engn & Geomat, Kaohsiung, Taiwan
来源：
COMPUTERS AND GEOTECHNICS | 2017年 / 81卷
关键词：
Damage zone; Stability number; Blasting; Disturbance factor; Limit analysis; GEOLOGICAL STRENGTH INDEX; MOHR-COULOMB; CHARTS; APPLICABILITY; EQUILIBRIUM; GSI;
D O I：
10.1016/j.compgeo.2016.08.012
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
This study employs the finite element upper bound and lower bound limit analysis methods to investigate the stability of inhomogeneous rock slopes. The differences in the stability numbers of the upper and lower bound solutions are bracketed within 10.5% or better, and the stability numbers obtained are presented in rock slope stability charts. These stability charts can provide a convenient tool for preliminary stability designs of inhomogeneous rock slopes. Various recommended blasting damage zones are considered, and disturbance factors are used to represent damage levels. Results showed that rock mass disturbance could significantly influence the evaluation of rock slope stability. Crown Copyright (C) 2016 Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：155 / 166
页数：12
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