›› 2007, Vol. 28 ›› Issue (S1): 698-702.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Adirect differential method for nonlinear dynamic response of sand layer under water

CHEN Wen-hua   

  1. Civil Engineering Department, Beijing Jiaotong University, Beijing 100044, China
  • Received:2007-04-20 Online:2007-10-25 Published:2014-03-28

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Abstract: Based on K.Terzaghi’s soil mechanics model and taken account of soil dynamic nonlinear constitutive relation,soil shear dliatancy, rigidity degradation, hysteresis and water-soil relative motion, multi-phased medium dynamics theory is used to analyze the wave propagation and dynamic response of sand layers under water, and an artificial boundary condition is analyzed to simulate the wave propagation in pore medium. A set of dynamic equations of soil layers under water are established, and the equations are discreted to be used to analyze the earthquake engineering problem of soil under water, a direct differential method is suggested to calculate the water pressure and porewater pressure and to study the sand seismic liquefaction under water.

Key words: sand, multi- phased medium dynamics, direct differential method

CLC Number: 

  • TU 441
  • 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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