[1]任祥香,许沛东,卢文胜.考虑加强转换层影响的橡胶支座隔震结构模型相似设计方法[J].地震工程与工程振动,2022,42(02):113-124.[doi:10.13197/j.eeed.2022.0212]
　REN Xiangxiang,XU Peidong,LU Wensheng.Similitude design method considering the influence of the reinforced transfer layer for isolated structural models with rubber bearings[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2022,42(02):113-124.[doi:10.13197/j.eeed.2022.0212]
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考虑加强转换层影响的橡胶支座隔震结构模型相似设计方法
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《地震工程与工程振动》[ISSN:/CN:]

卷:
42
期数:
2022年02期
页码:
113-124
栏目:
论文
出版日期:
2022-04-30

文章信息/Info

Title:
Similitude design method considering the influence of the reinforced transfer layer for isolated structural models with rubber bearings
作者:
任祥香1;  许沛东1;  卢文胜1; 
1. 同济大学 土木工程防灾国家重点实验室, 上海 200092;
2. 同济大学 结构防灾减灾工程系, 上海 200092
Author(s):
REN Xiangxiang1;  XU Peidong1;  LU Wensheng1; 
1. State Key Laboratory of Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092, China;
2. Department of Disaster Mitigation for Structures, Tongji University, Shanghai 200092, China
关键词:
橡胶支座; 加强转换层; 隔震结构; 模型试验; 相似设计方法
Keywords:
rubber bearings; reinforced transfer layer; isolated structure; model test; similitude design method
分类号:
TU352TU317TU311.3
DOI:
10.13197/j.eeed.2022.0212
摘要:
缩尺结构模型振动台试验广泛用于评估橡胶支座隔震结构的抗震性能。在隔震结构缩尺模型设计时，通常会设置加强转换层来满足上部结构与隔震层的荷载传递要求。然而，加强转换层在满足受力、吊装与安装试验要求的同时会对模型结构的整体地震反应产生不可忽略的影响。文中提出了针对橡胶支座隔震结构缩尺模型的带加强转换层的简化模型，采用参数化分析的方法定量评估加强转换层的质量、刚度和高度变化对橡胶支座隔震结构地震反应的影响规律；提出了考虑加强转换层影响的橡胶支座隔震结构模型相似设计方法，并以某隔震结构模型试验为案例，通过数值分析的方法验证了该方法的有效性。
Abstract:
Shaking table test of scaled models has been widely used to evaluate the seismic performance of isolated structures with rubber bearings.In the design of the scaled isolated structures,a reinforced transfer layer is usually designed to meet the load transfer requirements between the superstructure and the isolation layer.The reinforced transfer layer can meet the requirements of loading,lifting and installation of the tests.However,it has a significant influence on the overall seismic response of the model structure.In this paper,a simplified model with reinforced transfer layer is proposed for the scaled model of isolated structures with rubber bearings.Parametric analysis method is used to quantitatively evaluate the influence of the mass,stiffness and height of the reinforced transfer layer on the seismic response of rubber bearing isolated structures. This paper proposes a similitude design method considering the influence of reinforced transfer layer for the isolated structures with rubber bearings,and the effectiveness of the method is verified bynumerical analysis based on an existing model testing case of a baseisolated structure.

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备注/Memo

备注/Memo:
收稿日期:2021-3-1;改回日期:2021-7-19。
基金项目:国家自然科学基金项目（51578411）
作者简介:任祥香(1988-),女,工程师,博士,主要从事结构实验技术与结构抗震研究.Email:xiangxiangren@tongji.edu.cn
通讯作者:许沛东(1990-),男,实验师,主要从事结构试验技术研究.Email:xupeidong@tongji.edu.cn
更新日期/Last Update: 1900-01-01