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变刚度钢管混凝土短柱隔震结构弹塑性动力分析
变刚度钢管混凝土短柱隔震结构弹塑性动力分析
张玉良* 成世峰 张铜生
清华大学土木工程系,北京100084
 [收稿日期]: 2006-04-12
摘要

采用HBTA2.5程序,对一变刚度钢管混凝土短柱隔震结构进行了弹塑性时程分析。分析结果表明,其隔震装置的水平变形和耗能能力可以大大减轻地震对结构的影响。提出钢管混凝土短柱隔震结构在工程应用将有很好的发展前景。



Elasto-plastic Dynamics Analysis for the Structure with Variable Stiffness Base Isolator Made of Concrete-filled Steel Tubular Short Columns
Zhang Yuliang*, Cheng Shifeng and Zhang Tongsheng
Civil Engineering Department, Tsinghua University, Beijing 100084
Abstract

Elasto-plastic dynamics analysis for the structure with variable stiffness base isolator made of CFST short columns is performed through the program HBTA2.5. The structure is assumed to be under bi-directional earthquake waves. According to the results, the seismic response of the structure is significantly reduced by the distortion and energy dissipation ability of the base-isolation system. Summarily, the variable stiffness base isolator with CFST short columns has good prospects in engineering practice.



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变刚度钢管混凝土短柱隔震结构弹塑性动力分析
张玉良* 成世峰 张铜生
《震灾防御技术》, DOI:10.11899/zzfy20060207