粘滞阻尼器高桩码头抗震性能的有限元分析
首发时间:2010-05-06
摘要:为了改善码头结构的抗震性能,本文用粘滞阻尼器将高桩码头和接岸连接起来,用El centro地震波进行时程分析,通过不同峰值加速度的计算,比较无阻尼器码头和有阻尼器码头地震反应。提取了粘滞阻尼器在不同峰值加速度时的阻尼力、位移和耗能量。结果表明,粘滞阻尼器能够有效地控制高桩码头的水平位移,消耗地震能量。有关结论可供设计研究者参考。
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Seismic Behavior and Finite Element Analysis of Pile-Wharf Structures wih Viscous Damps
Abstract:In order to improve the seismic behavior of the wharf, this paper uses viscous damps to connect the wharf and the shore, then analysis the seismic behavior at different peak acceleration by El centro earthquake wave with time-history analysis. Through extracting viscous damps’ damping force, displacement and energy consumption, we can find that the wharf’s horizontal displacement is effectively reduced and seismic energy is consumed by viscous dampers. Researchers can refer to the relevant conclusions for designing.
Keywords: Pile-wharf Viscous damp Peak acceleration Horizontal displacement
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No.4268253232012731****
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