Structural Plane of Rock Mass Strength Characteristics and its Impact on Groundwater

Tao Li Xiao; Xin Ping Li; Ya Ni Lu

doi:10.4028/www.scientific.net/AMR.446-449.476

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 446-449Structural Plane of Rock Mass Strength...

Structural Plane of Rock Mass Strength Characteristics and its Impact on Groundwater

Abstract:

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.

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Periodical:

Advanced Materials Research (Volumes 446-449)

Pages:

476-479

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.446-449.476

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Online since:

January 2012

Authors:

Tao Li Xiao, Xin Ping Li, Ya Ni Lu

Keywords:

Principle of Effective Stress, Rock Mass Discontinuity, Shear Strength, Strength Criterion, Undergroud Water

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