[1]杨迪雄,李刚,程耿东.近断层地震动作用下隔震结构的优化设计[J].世界地震工程,2006,(01):001-8.
 Yang Di-xiong,Li Gang,Cheng Geng-dong.Optimum design of base-isolated structure subjected to near-fault ground motions[J].,2006,(01):001-8.
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近断层地震动作用下隔震结构的优化设计
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《世界地震工程》[ISSN:/CN:]

卷:
期数:
2006年01期
页码:
001-8
栏目:
出版日期:
1900-01-01

文章信息/Info

Title:
Optimum design of base-isolated structure subjected to near-fault ground motions
作者:
杨迪雄 李刚 程耿东
大连理工大学 工程力学系工业装备结构分析国家重点实验室, 辽宁, 大连, 116023
Author(s):
Yang Di-xiong Li Gang Cheng Geng-dong
Department of Engineering Mechanics, State Key laboratory for Structural Analysisof Industrial Equipment, Dalian University of Technology, Dalian, 116023, China
关键词:
结构抗震近断层地震动隔震结构铅芯橡胶支座动力优化设计
Keywords:
seismic design of structuresnear-fault ground motionsbase-isolated structurelead-core rubber bearingsoptimum design
分类号:
P315
摘要:
首先讨论了近断层脉冲型地震动的特点,并以台湾集集地震实际脉冲型近震记录为地震动输入,应用含潜在约束策略的序列二次规划算法,对安装铅芯橡胶隔震支座的钢筋混凝土框架隔震结构的隔震器参数和上部结构构件截面几何尺寸进行一体化优化设计,然后输入E l Centro(1940)、Taft(1952)地震波对优化后的隔震结构进行地震反应分析。计算结果表明,对考虑脉冲型近断层地震动作用的隔震结构进行参数优化设计后,该隔震结构能同时满足脉冲型和普通非脉冲型近震作用的结构设计需求。
Abstract:
In the present paper,the characteristics of near-fault pulse-like ground motions are discussed firstly.Secondly,the near-fault pulse-like earthquake record from the Taiwan Chi-Chi Earthquake (1999,9,21) is taken as the input of ground motions,and by using the sequential quadratic programming algorithm with the potential constraints strategy the integrated optimum design of a multi-story RC base-isolated frame structure with lead-core rubber bearings is conducted,in which the structural member sizes and the parameters of isolation devices are optimized simultaneously.Finally, the earthquake response of the optimal base-isolated structure is analyzed subjected to the El Centro(1940) and Taft(1952) earthquake.It is concluded from the numerical results that through the parametric optimum design of base-isolated building subjected to the pulse-like near-fault earthquake,the optimal structure can satisfy simultaneously the structural design requirement under both the pulse-like near-fault ground motions and the general non-pulse-like ones.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2005-5-19;改回日期:2005-8-21。
基金项目:国家自然科学基金资助项目(5985410,50008003)
作者简介:杨迪雄(1970- ),男,博士,主要从事结构抗震减灾方而研究工作.
更新日期/Last Update: 1900-01-01