[1]熊仲明,陈 轩,虞子良.基础滑移隔震体系滑移位移谱研究[J].西安建筑科技大学学报:自然科学版,2015,47(04):469-476.[doi:10.15986/j.1006-7930.2015.04.002]
　XIONG Zhongming,CHEN Xuan,YU Ziliang.Study of the sliding displacement spectrum on the sliding base isolation structure[J].J.Xi’an Univ. of Arch. & Tech.:Natural Science Edition,2015,47(04):469-476.[doi:10.15986/j.1006-7930.2015.04.002]
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基础滑移隔震体系滑移位移谱研究()
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西安建筑科技大学学报:自然科学版[ISSN:1006-7930/CN:61-1295/TU]

卷:
47
期数:
2015年04期
页码:
469-476
栏目:
出版日期:
2015-08-31

文章信息/Info

Title:
Study of the sliding displacement spectrum on the sliding base isolation structure
文章编号:
1006-7930(2015)04-0469-8
作者:
熊仲明1; 陈 轩1; 虞子良2
1.西安建筑科技大学土木工程学院，陕西 西安 710055；2. 深圳市建筑设计研究总院，广东 深圳 518031
Author(s):
XIONG Zhongming1;  CHEN Xuan1;  YU Ziliang2
1. School of Civil Engineering,Xi′an University of Architecture and Technology, Xi′an 710055, China; 2. Shenzhen General Institute of Architectural Design and Research Co., Ltd, Shenzhen 518031, China
关键词:
滑移隔震结构; 动力响应; 反应谱
Keywords:
sliding structure;  dynamic response;  response spectrum
分类号:
TU398.2
DOI:
10.15986/j.1006-7930.2015.04.002
文献标志码:
A
摘要:
采用Matlab/Simulink 分析了纯摩擦滑移隔震体系在地震作用下的动力响应，建立了滑移隔震结构的多自由度计算模型，并分别对比了滑移隔震体系的等代单自由度刚体模型、双自由度模型与多自由度模型的滑移位移谱、滑移量时程分析曲线．计算结果表明，双自由度模型与多自由度模型的动力响应比较接近；隔震层的最大滑移量只与摩擦系数和输入的地震波有关，而与结构的整体质量无关；当隔震层的摩擦系数小于0.1 时，单自由度刚体模型的和多自由度体系的滑移位移谱拟合较好，从而验证了等代刚体结构确定的滑移位移谱模拟实际滑移隔震结构的合理性和可行性，为滑移隔震体系的推广建立了基础．
Abstract:
The dynamic response of pure friction-sliding isolation system under seismic action is analyzed through the Matlab/Simulink, and the MDOF calculation model of sliding isolation structure is set up. The sliding displacement spectrum and sliding displacement with time history analysis of curve to the SDOF equivalent rigid model, the DDOF equivalent model and the MDOF equivalent model of the sliding isolation system are contrasted respectively. The results show that the dynamic response of the DDOF equivalent is close to the response of the MDOF equivalent model; the maximum amount of sliding isolation layer is only related with coefficient of the friction and seismic wave put in and nothing is related with the overall mass of the structure. When coefficient of friction of the isolation layer is less than 0.1, the SDOF equivalent rigid model is fitted with the DDOF equivalent
model. Accordingly, the rationality and feasibility of using sliding displacement spectrum which is determined by the equivalent rigid model to simulate actual sliding structure is confirmed, and a foundation for the spread of sliding isolation system is established.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2014-12-12 修改稿日期：2015-08-02
基金项目：国家自然科学基金项目(51278395);陕西省教育厅专项基金(12JK0895);西安市科技攻关课题(GG04051
作者简介：熊仲明（1966-），男，教授，博导，主要从事隔震减震控制、共同作用、大跨结构理论及试验研究等．E-mail：631678230@qq.com
更新日期/Last Update: 2015-10-30