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An Empirical Constitutive Correlation for Regular Jugged Discontinuity of Rock Surfaces

Published online by Cambridge University Press:  03 June 2015

Bin Yang ,
Sihao Mo ,
Ping Wu  and
Chaoqing He
Bin Yang*
Affiliation:
College of Civil Engineering and Architecture, Guangxi University, Nanning, China Key Laboratory of Disaster Prevention and Structural Safety of Ministry of Education, Nanning, China Guangxi Key Laboratory of Disaster Prevention and Engineering Safety, Nanning, China
Sihao Mo
Affiliation:
College of Civil Engineering and Architecture, Guangxi University, Nanning, China
Ping Wu
Affiliation:
College of Civil Engineering and Architecture, Guangxi University, Nanning, China
Chaoqing He
Affiliation:
College of Civil Engineering and Architecture, Guangxi University, Nanning, China
*
Corresponding author. Email: [email protected]
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Abstract

This paper presents a physical investigation and mathematical analysis on mechanical behavior of the regular jugged discontinuity. In particular, we focus on the creep property of structural plane with various slope angles under different normal stress through shear creep tests of structural plane under shear stresses. According to the test results, the shear creep property of structural plane was described and the creep velocity and long-term strength of the structural plane during shear creep were also investigated. An empirical formula is finally established to evaluate shear strength of discontinuity and a modified Burger model was proposed to represent the shear deformation property during creep.

Keywords

26A3365M0665M1265M60Empirical constitutive correlationdiscontinuitymathematical analysis
Type
Research Article
Information
Advances in Applied Mathematics and Mechanics , Volume 5 , Issue 2 , April 2013 , pp. 258 - 268
Copyright
Copyright © Global-Science Press 2013

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