SU Ji-hong, WANG Zheng-xing, REN Wen-min, YANG Zhen-yu, ZHOU Jun-sheng. STUDY AND APPLICATION OF YIELD CRITERIA TO ROCK AND SOIL[J]. Engineering Mechanics, 2003, 20(3): 72-77.
Citation: SU Ji-hong, WANG Zheng-xing, REN Wen-min, YANG Zhen-yu, ZHOU Jun-sheng. STUDY AND APPLICATION OF YIELD CRITERIA TO ROCK AND SOIL[J]. Engineering Mechanics, 2003, 20(3): 72-77.

STUDY AND APPLICATION OF YIELD CRITERIA TO ROCK AND SOIL

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  • Received Date: November 13, 2001
  • Revised Date: June 17, 2002
  • This paper addresses the linear Mohr-Coulomb yield criterion and Drucker-Prager yield criterion, and the relation among the linear Mohr-Coulomb criteria in material mechanics and rock mechanics. The geometrical characteristics of the linear Mohr-Coulomb yield surface and the Drucker-Prager yield surface are described. The linear Mohr-Coulomb criterion is approximated using the Drucker-Prager criterion in three ways and the resultant differences are highlighted. An example is given in which the Drucker-Prager criterion is used to fit the linear Mohr-Coulomb criterion.
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