›› 2005, Vol. 26 ›› Issue (4): 542-546.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

A damage constitutive model for frozen soils under uniaxial compression based on CT dynamic distinguishing

LIU Zeng-li1,2 , ZHANG Xiao-peng1,2, LI Hong-sheng1,2   

  1. 1. Department of Engineering Mechanics, Dalian University of Technology, Dalian 116023, China; 2. State Key Laboratory of Frozen Soil, LIGG, CAS, Lanzhou, 730000, China
  • Received:2003-12-29 Online:2005-04-09 Published:2013-12-19

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Abstract: A damage constitutive model for frozen soil under uniaxial compression is set up according to continuous damage mechanics theory. Based on CT timely investigation, the damage values of Lanzhou loess under uniaxial compression are calculated by hardening curve method and CT distinguishing method for plastic and micro-crack damage processes respectively. Furthermore, a linear relationship between damage value and elastic strain is presented to express evolution model for damage；and effective stress is calculated.

Key words: frozen soil, uniaxial compression, CT timely investigation, damage constitutive model

CLC Number: 

  • TU 411
  • 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.
  • 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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