›› 2006, Vol. 27 ›› Issue (4): 609-614.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Study on dynamic constitutive model of soft soils under cyclic load

YANG Chao1, YANG Lin-de2, JI Qian-qian3   

  1. 1. Hangzhou Quality & Security Supervising Station for Traffic Engineering, Hangzhou 310014, China; 2. Department of Geotechnical Engineering, Tongji University, Shanghai 200092, China; 3. Shanghai Huangpu River Bridge Construction Company, Shanghai 200090, China
  • Received:2004-08-05 Online:2006-04-10 Published:2013-11-05

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Abstract: A total stress-based bounding surface visco-elastoplastic model for soft clays is developed to accommodate multiaxial stress reversals. The model is constructed based on the dynamic triaxial tests of the model soil for the metro station structure shaking table model test, taking into account that the clays yield under very low stress level and present energy dissipation even the strain tending to zero under cyclic loading. The numerical simulation of the free field model test is performed based on the visco-elastoplastic model; and it is shown that the acceleration history of model soil is consistent with the results of the model test.

Key words: soft clay, cyclic loading, visco-elastoplastic constitutive model, free field shaking table model test

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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