›› 2005, Vol. 26 ›› Issue (5): 779-783.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Study on constitutive model and permeable coefficient tensor of rock under tensile load with micromechanics(I): Anisotropic constitutive model

WEI Li-de 1, YANG Chun-he1, XU Wei-ya 2   

  1. 1. Key Laboratory of Rock and Soil Mechanics, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China; 2. Research Institute of Geotechnical Engineering, Hohai University, Nanjing 210098, China
  • Received:2004-07-16 Online:2005-05-10 Published:2013-12-17

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Abstract: There are a few paper discussed establishing constitutive models of seeping rock under tensile load until now. In this paper, micromechanics is used to establish a constitutive model of seeping rock under tensile load. The equations during establishing the constitutive models are improved because of using new extending rule for microcrack. New achievements in micromechanics are used to set up the macroscopical distortion caused by microcracks in seeping rock, and achievements in fracture mechanics are used to give out the stress intensity factors. An anisotropic constitutive model for seeping damage rock is established. The model can be applied to rock mass too.

Key words: rock mechanics, rock, constitutive model, anisotropy, damage, seepage

CLC Number: 

  • TU 452
  • 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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