›› 2009, Vol. 30 ›› Issue (1): 118-122.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Improvement of dynamic viscoplastic memorial nested yield surface model of soil

ZHUANG Hai-yang1, 2, CHEN Guo-xing2   

  1. 1. School of Civil Engineering, Southeast University, Nanjing 210096, China; 2. Institute of Geotechnical Engineering, Nanjing University of Technology, Nanjing 210009, China
  • Received:2007-06-11 Online:2009-01-10 Published:2011-01-14

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Abstract:

The dynamic viscoplastic memorial nested yield surface model of soil has been constituted previously and published on the Vol.28 (No.10) of Chinese Journal of Geotechnical Engineering. In this paper, the model is developed and the model parameter , the point angle of cone-shaped yield surface, doesn’t assumed to change by the supposed rules. According to the reality changes of nested yield surfaces, the incremental expressions of model harden parameters are deduced. These developments on the model perfecte its theoretical foundation and are consistent with the test results. At last, the earthquake responses of a site is analyzed by using the developed model and primary model respectively; and the differences of two models are analyzed.

Key words: dynamic consititutive model of soil, earthquake response, cyclic loading

CLC Number: 

  • TU 411.8
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