Structural plane of rock mass strength characteristics and its impact on Groundwater

被引：2
|
作者：
Xiao, Taoli [1 ]
Li, Xinping [1 ]
Lu, Yani [1 ]
机构：
[1] Wuhan Univ Technol, Hubei Key Lab Roadway Bridge & Struct Engn, Wuhan 430070, Peoples R China
来源：
TRENDS IN CIVIL ENGINEERING, PTS 1-4 | 2012年 / 446-449卷
关键词：
rock mass discontinuity; shear strength; undergroud water; strength criterion; principle of effective stress;
D O I：
10.4028/www.scientific.net/AMR.446-449.476
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The strength characteristic of discontinuity is one of the most important mechanical characteristics of rock mass, and its strength dominates the strength and deformation of joint rock mass. The underground water has an important influence on the strength of discontinuity. In this paper, the strength theory of joint rock mass was summarized and analyzed; further, two kinds of failure mode of joint rock mass which are joint shear failure and rock shear failure were proof. Considering the impact of underground water, the effective stress principle was introduced, and base on it, the joint shear failure strength rule of the saturated rock mass was built. When the influence of underground water on joint strength is studied, the shear strength formula has important theoretical and realistic significance.
引用
收藏
页码：476 / 479
页数：4
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