Analysis on surrounding rock mass plastic zone of deep underground chamber based on Hoek-Brown criterion

被引：0
|
作者：
Yin, Nan [1 ]
机构：
[1] Anhui Univ Sci & Technol, Sch Civil Engn & Architecture, Huainan 232001, Anhui, Peoples R China
来源：
CIVIL, STRUCTURAL AND ENVIRONMENTAL ENGINEERING, PTS 1-4 | 2014年 / 838-841卷
关键词：
Hoek-Brown criterion; deep underground chamber; surrounding rock mass plastic zone;
D O I：
10.4028/www.scientific.net/AMR.838-841.741
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Generalized Hoek-Brown criterion is indicated as a dimensionless quantity, on this basis, elastic-plastic analytical method of circular underground chamber is presented based on generalized Hoek-Brown criterion in uniform stress field. Take into account a number of factors such as deep rock mass quality, rock strength, etc, surrounding rock mass plastic zone of deep underground chamber is analyzed by the analytical method. The results show that taking measures to improve the quality of rock mass can effectively control surrounding rock mass plastic zone for soft rock underground chamber, however, taking measures to improve the quality of rock mass can not appreciably control surrounding rock mass plastic zone for hard rock underground chamber.
引用
收藏
页码：741 / 746
页数：6
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