| 偏心多塔结构同基础隔震效果分析 |
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| 引用本文： | 袁正国,王焕定.偏心多塔结构同基础隔震效果分析[J].地震工程与工程振动,2007,27(6):230-235. |
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| 作者姓名： | 袁正国 王焕定 |
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| 作者单位： | 1. 东北林业大学,黑龙江,哈尔滨,150040
2. 哈尔滨工业大学,土木工程学院,黑龙江,哈尔滨,150090 |
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| 基金项目： | 广东省科技计划项目(20055190030)，科技部重大基础研究项目(2004CCA03300) |
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| 摘 要： | 偏心隔震结构在地震动作用下,除发生平动外,还将发生平-扭耦联的反应,从而使震害加重,尤其是隔震层较易发生破坏。本文利用自行编制的分析程序,对偏心多塔隔震结构进行了数值分析,在此基础上,提出偏心多塔结构同基础隔震的设计方案。数值模拟计算结果表明,对偏心单塔隔震结构,在地震作用下采用多塔同基础隔震的方案,能大幅度降低结构隔震层的扭转反应,其中最大扭转加速度最少降低55%,最大扭转角最少降低84%。可见,在条件许可时,将相邻偏心单塔结构采用同基础隔震的方案,对提高隔震效果是有利的。
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| 关 键 词： | 偏心结构 多塔 同基础隔震 隔震效果 |
| 文章编号： | 1000-1301（2007）06-0230-06 |
| 收稿时间： | 2006-11-20 |
| 修稿时间： | 2007-05-08 |
Analysis of common base-isolated effects on eccentric multiple building structures |
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| YUAN Zhengguo,WANG Huanding.Analysis of common base-isolated effects on eccentric multiple building structures[J].Earthquake Engineering and Engineering Vibration,2007,27(6):230-235. |
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| Authors: | YUAN Zhengguo WANG Huanding |
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| Abstract: | Besides lateral responses,eccentric isolated structures under earthquake action have lateral-torsional responses,this causes the base to be destroyed.In this article,the common isolation effect of eccentric multiple building is analyzed by self-developed software.Utilizing the software,the single building with base isolation and the multiple building with common isolation are simulated.The results show that,using the method of multiple building with common isolation under seismic force can significantly decrease the torsional effects of the base.Under this situation the max torsional acceleration may be decreased at least 55%,while the max torsional displacement may be decreased at least 84%.In conclusion,under the permitted conditions,using the method of common isolation may enhance the isolation effect. |
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| Keywords: | eccentric structure multiple building common baseisolation isolation effects |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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