Strength Reduction Technique for Non-Linear Failure Criterion

Li Ren; Ting Ai; Zhe Ming Zhu; Ling Zhi Xie; Ru Zhang

doi:10.4028/www.scientific.net/AMR.446-449.1568

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 446-449Strength Reduction Technique for Non-Linear...

Strength Reduction Technique for Non-Linear Failure Criterion

Abstract:

In the analysis of slope stability, a reduction method of non-linear shear strength was applied. A power function was used to approximate the shear failure envelope which is determined by the non-linear criterion or experimental data, and then the coefficients of that function were determined by using the collocation points. The equivalent friction angles and cohesive strengths of rock as well as stress range were determined by fitting an average linear relationship to the approximate curve generated by the power function through the method of least square. Finally, an example was presented to demonstrate the superiority and feasibility of the method introduced in this paper.

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Periodical:

Advanced Materials Research (Volumes 446-449)

Pages:

1568-1572

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.446-449.1568

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Online since:

January 2012

Authors:

Li Ren, Ting Ai, Zhe Ming Zhu, Ling Zhi Xie, Ru Zhang

Keywords:

Factor of Safety (FOS), Failure Criterion, Method of Least Square, Shear Strength Reduction

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