›› 2008, Vol. 29 ›› Issue (5): 1195-1199.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

A simplified elastoplastic constitutive model under undrained cyclic loading

GAO Guang-yun1, SHI Gang1, GU Zhong-hua2, FENG Shi-jin1   

  1. 1. Key Laboratory of Geotechnical and Underground Engineering of Ministry of Education, Tongji University, Shanghai 200092, China; 2. Fujian Communications Planning & Design Institute, Fuzhou 350004, China
  • Received:2006-08-15 Online:2008-05-10 Published:2013-07-24

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Abstract: Based on the theory of field of plastic moduli and the multi-yield-surface constitutive model, and combined with isotropic hardening rule and translating hardening rule, a new multi -surface elastoplastic constitutive model was proposed in a new stress space. And a simple model which was suited to the triaxial tests, was infered. Finally, combined with a residual pore-water pressure model, the new model has been validated by means of a cyclic triaxial test of saturated soft clay. The validation indicates that the multi-yield-surface constitutive model can be used to simulate the cyclic triaxial test, direct shear test and plane strain test.

Key words: multiple yield surfaces, constitutive model, saturated soft clay, undrained cyclic loading

CLC Number: 

  • TU 435
  • 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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