›› 2008, Vol. 29 ›› Issue (2): 310-314.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Formula of intermediate principal stress at failure for Mohr-Coulomb material in plane strain state

DENG Chu-jian, ZHENG Ying-ren, ZHU Jian-kai   

  1. Logistical Engineering University, Chongqing, 400041, China
  • Received:2006-08-02 Online:2008-02-11 Published:2013-07-10

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Abstract: Based on Mohr-Coulomb yield criterion , the Formula of Intermediate principal stress at failure of Mohr-Coulomb material in plane strain state was obtained by analyzing the Lode angle parameter and the general Mises yield criterion matched Mohr-Coulomb yield criterion in plane strain state, which helps to study the strain-stress of geotechnical materials and the strength effect of intermediate principal stress and also helps to modify Mohr-Coulomb yield criterion. Second, the relation of intermediate principal stress at failure in plane strain state between Mohr-Coulomb material and SMP material is put forward. Finally, a foundation under plane strain condition was analyzed by FEM; and the computational results shows that the formula is correct.

Key words: Mohr-Coulomb yield criterion, lode angle parameter, formula of intermediate principal stress, SMP criterion, FEM

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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