板式橡胶支座摩擦滑移特性参数分析

发布时间：2018-01-13 09:05

本文关键词：板式橡胶支座摩擦滑移特性参数分析　出处：《土木工程学报》2014年S1期 　论文类型：期刊论文

【摘要】：对板式橡胶支座摩擦滑移特性进行数值分析,并与试验结果进行滞回曲线和等效黏滞阻尼比方面的对比。结果表明:有限元模拟结果能与试验结果很好吻合,说明所建立的有限元模型中对单元的选择、接触的处理及模型简化等能有效用于板式橡胶支座的模拟,可较好预测板式橡胶支座的滑动耗能特性。基于此模型,进一步分析橡胶层厚度、支座宽度等参数对支座滑移特性的影响,为后续建立支座合理分析模型奠定基础。
[Abstract]:The friction and slip characteristics of plate rubber bearings are numerically analyzed and compared with the experimental results in terms of hysteretic curve and equivalent viscous damping ratio. The results show that the finite element simulation results are in good agreement with the experimental results. It is shown that the element selection, contact treatment and model simplification in the established finite element model can be effectively used in the simulation of the plate rubber bearing, and the sliding energy dissipation characteristics of the plate rubber bearing can be well predicted. Based on this model, the sliding energy dissipation characteristics of the plate rubber bearing can be well predicted. The influence of rubber layer thickness and support width on the slip characteristics of the bearing is further analyzed, which lays a foundation for the subsequent establishment of the reasonable analysis model of the bearing.
【作者单位】：东南大学;交通运输部公路科学研究院;
【基金】：科技部国际科技合作项目(2009DFA82480) 交通运输部西部交通建设科技项目(2009318223094) 交通运输部公路工程行业标准项目(JTG-C-201012)
【分类号】：U443.361
【正文快照】： 引元的作用。因此,可利用支座的摩擦滑移进行中小跨径桥梁的抗震设计[2]。鉴于支座的摩擦滑移在桥梁抗震中发挥的重要作用,国内外学者对此进行了大量的研究。Steelman等[3-5]进行了大量支座试验,对关于摩擦、刚度、阻尼比等特性进行参数分析,并提出相关计算模型;Gordon等[6-

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