| 多层框架基础隔震体系非线性地震反应分析 |
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| 引用本文： | 鲍华,徐礼华,周友.多层框架基础隔震体系非线性地震反应分析[J].建筑技术开发,2003(7). |
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| 作者姓名： | 鲍华 徐礼华 周友 |
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| 作者单位： | 武汉大学土木建筑工程学院 武汉430072
(鲍华，徐礼华)，武汉大学土木建筑工程学院 武汉430072(周友) |
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| 摘 要： | 运用大型有限元软件ANSYS对某多层框架基础隔震结构建立三维有限元模型。采用时程分析法进行非线性地震反应分析 ,讨论了该隔震结构的动力特性和在地震作用下的地震反应 ,并与基础固定结构对比。结果表明 ,利用ANSYS软件建立三维模型 ,进行地震反应分析是可行的 ,并能得到很高的精度 ;多层框架基础隔震结构的地震反应明显小于基础固定结构的地震反应
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| 关 键 词： | ANSYS软件 三维模型 非线性地震反应 基础隔震 |
ANALYSIS OF SEISMIC NONLINAER RESPONSES OF BASE ISOLATED MULTISTORY FRAME STRUCTURE |
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| Bao hua Xu Li-hua Zhou You.ANALYSIS OF SEISMIC NONLINAER RESPONSES OF BASE ISOLATED MULTISTORY FRAME STRUCTURE[J].Building Technique Development,2003(7). |
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| Authors: | Bao hua Xu Li-hua Zhou You |
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| Affiliation: | Bao hua Xu Li-hua Zhou You |
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| Abstract: | In this paper,a three-dimensional base isolated multistory frame structure model is made by the large general structure analysis software ANSYS.Seismic nonlinear analysis of the structure is carried out by adopting time-dependent method.The dynamic characteristics and the seismic responses of the structure are discussed and compared with the base fixed structure.The results show that ANSYS can be applied to the seismic analysis of the structure,the excellent accuracy can be achieved and the responses of the base-isolated structure are remarkably less than those of the base-fixed structure. |
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| Keywords: | ANSYS software Three-dimensional model Seismic nonlinear responses Base isolation |
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