第39卷第2期 2017年4月
土木建筑与环境工程
Journal of Civil,Architectural &.Environmental Engineering
doi:10.11835/j.issn. 1674-4764.2017.02. 009
Vol. 39 No. 2 Apr.2017
考虑三维地震动作用下振动台试验隔震层简化
邵一凡，赖正聪，潘文，吴克川，兰香，于诗歌，马健
（昆明理工大学工程抗震研究所，昆明650500）
摘要：基于等效原则、相似理论，考虑三维地震动作用下振动台试验中原型结构隔震层的简化，并对模型结构隔震层进行系统研究。针对不同高宽比隔震结构，提出完全等效简化方法和部分等效篇化方法，包括隔震垫等效、模型支座参数及坐标确定、相似关系确定等。利用不同高宽比隔震结构振动台试验，结合有限元数值模拟，进行方法验证。理论推导与数值模拟证明简化方法具有良好的准确性，且在误差允许范围内，简化后的隔震层所获得的加速度、速度、位移等动力特性与简化前相同，可以用于振动台试验模型设计。
关键词：等效原则；隔震层；简化；相似理论；振动台
中图分类号：TU352.1
文献标志码：A
文章编号：1674-4764(2017)02-0065-10
Simplified method ofisolationlayerinshakingtable test
considered three-dimensional seismic effect
Shao YifanLaiZhengcong,Pan Wen,WuKechuan,LanXiang,YuShige,MaJian(Institute of Earthquake Engineering,Kunming University of Science and Technology,Kunming 650500,P. R. China)
Abstract: The method of that isolation layer of prototype structure simplified to model structure in shaking table test was systematically researched based on equivalent principle, similarity theory, and considered three-dimensional seismic effect. Aimed at isolated structure in different aspect ratio, complete equivalent and part of equivalent simplified method were proposed. Equivalent of isolation layer, model's parameters of isolation bearings, coordinate certainty, similarity theory and so on were included in the method. the method was verified with shaking table tests of isolated structure with different aspect ratio, and combined with finite element numerical simulation, Theoretical derivation and numerical simulation were certified that the simplified method possessed well accuracy. And within the error allowed, the same dynamic characteristics of acceleration, velocity, displacement of isolation layer before simplification could be obtained. Therefore, the method could be used in shaking table test of model design.
Keywords;equivalent principle; isolation layer; simplification; similarity theory; shaking table test
振动台试验是分析建构筑物抗震性能的重要手段，其步骤是通过向振动台输入地震波，激励台面上
收稿日期：2016-06-28
基金项目：国家自然科学基金（51168024)
部结构的反应，再现地震过程。由于台面尺寸和设备能力所限，现阶段中国大部分振动台仅能进行缩
作者简介：邵一凡（1991-），男，主要从事工程抗震研究，（E-mail)415478320@qq.com
潘文（通信作者），男，教授，博士生导师，（E-mail)13888242032@139，com。
Received:2016-06-28
Foundation item;National Natural Science Foundation of China(No,51168024)
Author brief;Shao Yifan(1991-), main research interest;earthquake engineering,(E-mail)415478320@qq. com.
Pan Wen(coresponding author), professor, doctoral supervisor, (E-mail)13888242032@139. com
万方数据