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CLC number: TU473.1,TU311.3

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Received: 2001-12-10

Revision Accepted: 2002-04-05

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Journal of Zhejiang University SCIENCE A 2003 Vol.4 No.1 P.28~34

http://doi.org/10.1631/jzus.2003.0028


Transient response of piles-bridge under horizontal excitation


Author(s):  ZHU Bin, CHEN Ren-peng, CHEN Yun-min

Affiliation(s):  Geotechnical Engineering Institute, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   zhubin@ccea.zju.edu.cn

Key Words:  Piles-bridge, Horizontal excitation, Dynamic response


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ZHU Bin, CHEN Ren-peng, CHEN Yun-min. Transient response of piles-bridge under horizontal excitation[J]. Journal of Zhejiang University Science A, 2003, 4(1): 28~34.

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Abstract: 
Moving ships and other objects drifting on water often impact a bridge's pile foundations. The mechanical model of the piles-bridge structure under horizontal forcing was established, and a time-domain approach based on Finite-difference Method was developed for analyzing the dynamic response of the piles-bridge structure. For a single pile, good agreement between two computed results validated the present approach. The slenderness ratio of the pile, the pile-soil stiffness ratio and the type of the structure influence the dynamic response of the piles-bridge structure. The computed results showed that the stiffness of the structure determines the dynamic response of the piles-bridge structure under horizontal forcing.

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