| Mechanics & Civil Engineering |
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| Transient response of piles-bridge under horizontal excitation |
| ZHU Bin, CHEN Ren-peng, CHEN Yun-min |
| Geotechnical Engineering Institute, Zhejiang University, Hangzhou 310027, China |
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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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Received: 10 December 2001
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