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Geomechanics and Engineering
  Volume 5, Number 1, February 2013, pages 71-86
DOI: http://dx.doi.org/10.12989/gae.2013.5.1.071
 


Strength characteristics of transversely isotropic rock materials
Xue-Qiang Yang, Li-Juan Zhang and Xiao-Ming Ji

 
Abstract
    For rock materials, a transversely isotropic failure criterion established through the extended Lade-Duncan failure criterion incorporating an anisotropic state scalar parameter, which is a joint invariant of deviatoric microstructure fabric tensor and normalized deviatoric stress tensor, is verified with the results of triaxial compressive data on Tournemire shale. For torsional shear mode with 0
 
Key Words
    fabric tensor; transversely isotropy; anisotropic state scalar parameter; failure criterion
 
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