Journal of Guangdong University of Technology ›› 2007, Vol. 24 ›› Issue (03): 76-83.

• Comprehensive Studies • Previous Articles     Next Articles

Physical Explanations for Three Types of Failure Criteria

  

  1. (1.Faculty of Building and Construction,Guangdong University of Technology,Guangzhou 510090,China;2.Key Laboratory of Road and Traffic Engineering of the Ministry of Education,Tongji University,Shanghai 200331,China)
  • Online:2007-08-10 Published:2007-08-10

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Abstract: Extended twin shear strength,Lade-Duncan and Matsuoka-Nakai failure criteria,could capture some important strength failure characteristics such as tensile stress,friction,and curved meridian et al.of geo-material with good accuracy.Based on true triaxial test data of red sandstone and target error function established between testing values and predicting values,corresponding parameters of the three failure criteria are identified through searching minimum values of the target error function.Bas...

Key words: stress tensor invariant； failure criterion； friction angle； tensile strength； ridge function；

[1] 杨雪强,朱志政,何世秀.  对Lade-Duncan,Matsuoka-Nakai和Ottosen等破坏准则的认识[J]. 岩土工程学报. 2006(03)

[2] 杨雪强,刘祖德,何世秀.  对岩土体屈服强度准则的探讨(Ⅱ)──模型及其应用[J]. 湖北工学院学报. 2004(05)

[3] 杨雪强,刘祖德,何世秀.  对岩土体屈服强度准则的探讨(Ⅰ)——理论与模型[J]. 湖北工学院学报. 2003(06)

[1] (日)松冈元著,罗汀,姚仰平编译.土力学[M]. 中国水利水电出版社, 2001

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