›› 2002, Vol. 23 ›› Issue (1): 47-50.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

An anisotropic model of sedimentary rocks

YU Tian-tang 1 ,LU Ying -fa 2 ,J.F.Shao 3 ,S.Pietruszczak 4   

  1. (1.College of Civil Engineering,Hohai University,Nanjing210098,China;2.Institute of Rock and Soil Mechanics,Chinese Academy of Sciences,Wuhan430071,China;3.Laboratoire de Lille,Villeneuved’AscqCedex,France;4. McMasterUniversity ; Hamilton； Canada；
  • Received:2001-03-21 Published:2002-01-15

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Abstract: An anisotropic model of sedimentary rocks is presented .the inherent anisotropy of this kind of material is described with an anisotropic parameter .A microstructure tensor and loading orientation are incorporated in the distribution function of anisotropic parameter and uniaxial compressive strength .A complete plasticity model describing the deformation process in anisotropic sedimentary rocks is given. Several triaxial tests are simulated with the anisotropic model .The results show that the inherent anisotropy in sedimentary rocks can be efficiently described with the model .

Key words: anisotropy, sedimentary rocks, microstructure tensor

CLC Number: 

  • TU45
  • 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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