›› 2011, Vol. 32 ›› Issue (7): 2225-2230.

• Numerical Analysis • Previous Articles     Next Articles

Dynamic response of loose seabed foundation under meizoseismic load

CHEN Yong-wei1，LIU Xian-qun2，WANG Li-zhong1，SHU Hen3   

  1. 1. College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, China; 2. Zhejiang Electric Power Design Institute, Hangzou 310014, China; 3. No. 2 Highway Survey & Design Institute Co., Ltd., Wuhan 430056, China
  • Received:2009-11-13 Online:2011-07-10 Published:2011-06-30

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Abstract: Liquefaction, seismic subsidence and lateral spreading should be considered when a sandy foundation in the seabed or maritime province sustains meizoseismic load. Zhaohui Yang’s nested constitutive mode is incorporated into OpenSees to evaluate its capacity of simulating soil liquefaction; and a simple method to get parameters is introduced. An interface between OpenSees and ANSYS is constructed; and then a dam on loose sandy foundation which is in the strong earthquake area is analyzed by the nonlinear finite element method. The results give out the liquefaction condition of the foundation and predict the seismic subsidence and lateral spreading, it would help us to do the foundation reinforcement treatment with such cases

Key words: liquefaction, seismic subsidence, lateral spreading, OpenSees, nested constitutive mode

CLC Number: 

  • TU 443
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