›› 2005, Vol. 26 ›› Issue (11): 1823-1828.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

An constitutive relation for collapsible deformation of loess based on generalized plasticity

ZHOU Feng-xi, MI Hai-zhen, HU Yan-ni   

  1. College of Civil Engineering, Lanzhou University of Science & Technology, Lanzhou 730050, China
  • Received:2004-05-02 Online:2005-11-10 Published:2014-01-03

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Abstract: An incremental constitutive realtion is established based on the generalized plasticity through analyzing the plastic properties of collapsible deformation of loess. The moisture content of increasing dampness is regarded as an internal stress, and the collapsible volume yield surface and the shear yield surface are obtained through tests fitting; at the same time, the initial yield surfaces of collapsible deformation are given. It is shown that the model can reflect the properties of collapsible deformation under the different collapsible effects; and considering the collapsible volume deformation shear deformation and the influence of spherical stress and deviatoric stress to them.

Key words: collapsible loess, deformation of increasing dampness, generalized plasticity, constitutive relation

CLC Number: 

  • TU 431
  • 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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