›› 2007, Vol. 28 ›› Issue (S1): 765-768.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

The stochastic earthquake response analysis of interaction between non-homogeneous foundation and structures

HAN Jian-gang, CHEN Yi-bai, DU Zhi-guang   

  1. Department of Civil Engineering, Hainan University, Haikou 570228, China
  • Received:2007-04-26 Online:2007-10-25 Published:2014-03-28

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Abstract: Based on the assumption that shear modulus of foundation changes linearly along depth, the dynamic response of non-homogeneous foundation is studied in this paper by introducing differentiating operator of structure and using the stochastic vibration theory for continuous linear system. Then simplifying upside structures as multi-degrees of freedom system and foundation as shear beam, the stochastic earthquake response of interaction between foundation and structures is implemented. Using those results, the dynamic reliability parameters of foundation and structural maximal displacement are obtained. The response analysis is implemented by mode superposition method, which has a definite conception and simpler calculation procedures compared with ordinary separation variable method.

Key words: non- homogeneous foundation, stochastic vibration, dynamic response

CLC Number: 

  • TU 470
  • 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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