不同摩擦系数下基底滑移结构减震性能分析
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摘要
以砖混结构作为研究对象,探讨了采用基底滑移隔震技术后的减震效果及其地震反应的特点。为此,运用FORTRAN编制的结构隔震动力时程分析程序,对其进行计算。以2~8层砖混结构建筑为算例,分别考虑了不隔震(传统抗震)、基底滑移隔震两种方案,对其输入El-Centro波,并且选取不同的摩擦系数,进行了大量的比较计算分析,得出了一些有益的结论。
The seismic reduction effectiveness and earthquake response of BC structures adopting base-isolation is studied.A FORTRAN program to dynamic time history was used to analyze the character of the nonlinear structure.The BC structure from 2 to 8 storey adopting two techniques respectively:traditional technique(foundation-fix),base-isolation,was analyzed as an example.The El-Centro earthquake wave was imposed on the structure as an excitation with different friction coefficient.Some useful results are obtained through lots of comparative analysis.
引文
[1]李杰,李国强.地震工程学导论[M].北京:地震出版社,1992.
    [2]周福霖.工程结构减震控制[M].北京:地震出版社,1997.
    [3]董鑫.带有限位装置的砖混滑移结构减震性能分析[D].昆明:昆明理工大学,2004.

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