Brittle damage and coalescence model of jointed rock mass

被引：1
|
作者：
Chen, WZ [1 ]
Wang, CG
Li, SC
Qiu, XB
Yang, CH
机构：
[1] Chinese Acad Sci, Inst Rock & Soil Mech, Key Lab Rock & Soil Mech, Wuhan 430071, Peoples R China
[2] Shanghai Univ Sci & Technol, Shandong 271019, Peoples R China
来源：
ADVANCES IN FRACTURE AND FAILURE PREVENTION, PTS 1 AND 2 | 2004年 / 261-263卷
关键词：
damage; coalescence; fracture; rock mass;
D O I：
10.4028/www.scientific.net/KEM.261-263.201
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Based on equivalent energy theory, the anisotropy damage constitutive model of jointed rock mass is set up with joint surface closing and friction considered. The flexibility tensor and its increments are deduced. The FEM with the new constitutive model has been applied to analyze the stability of a planed two-lane subsea road tunnel between the mainland and island in Xiamen city, China. Damage evolution zone of fractures, plastic zone and deformation of rock mass due to excavation are obtained from numerical results.
引用
收藏
页码：201 / 206
页数：6
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