›› 2008, Vol. 29 ›› Issue (8): 2149-2156.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

3D numerical analysis of shear mechanical behavior for interface between interact ional bi-body

YI Cheng, WANG Chang-jun, LIU Jin-yan, GUO Ting-ting   

  1. State Key Laboratory of Coal Resources and Safe Mining, China University of Mining & Technology, Beijing 100083, China
  • Received:2006-11-01 Online:2008-08-11 Published:2013-08-02

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2022

Abstract: It is important to research the mechanical behavior of the rock/rock and rock/concrete joints for the assessment of stability issues involving rock masses and engineering foundations. A finite element model of 3D rough surface unchanged in its width is established by employing ANSYS to simulate the direct shear test conducted by Bandis et al; then compared with the test results, some moderate well numerical results are acquired, which testified that it is feasible to apply ANSYS program to analyze the bi-body shear performance. In addition, several regular sawtooth interface computational models are used to examine the shear strength theoretical formula of Patton, consequently; it is proved again that using ANSYS to model the shear behavior is applicable. Furthermore, the evaluation of this paper focuses on the analysis of the shear stress-displacement curve, shear distribution on contact plane and dilatancy effect as well as cohesion effect.

Key words: rough surface, direct shear test, numerical calculation, shear strength, shear stress-displacement curve, dilatancy effect

CLC Number: 

  • TU 443
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
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