Study on the Rock Mass Quality Influences on the Surrounding Rock Mass Stability of the Underground Cavities

被引：0
|
作者：
Lu, Shuqiang [1 ]
Xu, Mo [1 ]
He, Zhengwei [1 ]
机构：
[1] Chengdu Univ Technol, State Key Lab Geohazard Prevent & Geoenvironm Pro, Chengdu 610059, Sichuan, Peoples R China
来源：
SUSTAINABLE DEVELOPMENT OF URBAN ENVIRONMENT AND BUILDING MATERIAL, PTS 1-4 | 2012年 / 374-377卷
关键词：
rock mass quality; Three-dimensional finite element numerical modeling; underground cavities; stability of surrounding rock mass;
D O I：
10.4028/www.scientific.net/AMR.374-377.2200
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
In this paper, taking the underground cavities of Nuozadu Hydro-electrical Power Station located in Lancang River as an example, three-dimensional finite element numerical modeling technique is used to analyze systematically the distribution features secondary stress field, displacement field and failure zone in the surrounding rock mass of the underground cavities after the excavation when the surrounding rock mass quality rank change from II to IV. The influences of rock quality on excavation effects are discussed in detail.
引用
收藏
页码：2200 / 2203
页数：4
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