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基于预应力拉索的自复位海洋平台振动控制研究

DOI: 10.13197/j.eeev.2015.06.100.zhangjg.014, PP. 100-105

Keywords: 预应力拉索,布置方式,海洋平台,振动控制

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Abstract:

本文提出了一种新的基于预应力拉索的海洋平台减振措施。本文以JZ20-2北高点井口平台为例,在JZ20-2北高点井口平台加设预应力拉索,利用ANSYS有限元软件对整体结构进行了地震作用和冰激荷载作用下的仿真分析,计算分析了预应力的大小、拉索的布置方式对平台节点位移和加速度的影响。数据分析表明,施加预应力和拉索的布置方式可以有效地减小海洋平台动力反应,具有较好的减振效果和鲁棒性,具有较好的自复位性能。

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