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  张玉良,成世峰,张铜生.变刚度钢管混凝土短柱隔震结构弹塑性动力分析[J].震灾防御技术,2006,1(2):129-136, DOI:10.11899/zzfy20060207.

变刚度钢管混凝土短柱隔震结构弹塑性动力分析
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。
作者单位
张玉良 清华大学土木工程系北京100084 
成世峰 清华大学土木工程系北京100084 
张铜生 清华大学土木工程系北京100084 
关  键  词:变刚度  钢管混凝土短柱  隔震  HBTA2.5
DOI:10.11899/zzfy20060207
基金项目:
收稿日期:2006-04-12
作者简介:张玉良,男,生于1945年。教授。从事高层建筑弹塑性动力分析研究。E-mail:zhangyl@tsinghua.edu.cn
通讯作者:
Elasto-plastic Dynamics Analysis for the Structure with Variable Stiffness Base Isolator Made of Concrete-filled Steel Tubular Short Columns
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.
Keywords:  Variable stiffness  Concrete-filled steel tubular short column  Isolation  HBTA2. 5
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