| 框架-剪力墙基础隔震结构的地震扭转反应 |
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| 引用本文： | 袁兵,黄炎生,任立飞,梁芳慧. 框架-剪力墙基础隔震结构的地震扭转反应[J]. 华南理工大学学报(自然科学版), 2006, 34(7): 94-98 |
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| 作者姓名： | 袁兵 黄炎生 任立飞 梁芳慧 |
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| 作者单位： | 1. 广东工业大学,建设学院,广东,广州,510006
2. 华南理工大学,建筑学院,广东,广州,510640 |
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| 基金项目： | 广东省自然科学基金;广东省广州市科技攻关项目 |
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| 摘 要： | 为了研究框架-剪力墙基础隔震结构的地震扭转反应，建立了地震作用下高层框架剪力墙基础隔震结构的平移-扭转耦联振动模型和运动方程，分析了单轴偏心基础隔震结构的平移-扭转耦联地震响应，并探讨了不同偏心率下隔震结构的地震反应．结果表明：在结构设计中应合理调整隔震结构上部结构和隔震层的偏心率．只有在上部结构和隔震层的偏心率满足一定关系的情况下，采用基础隔震才能明显减小结构的扭转反应．
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| 关 键 词： | 框架-剪力墙 基础隔震 平移-扭转耦联 偏心率 |
| 文章编号： | 1000-565X（2006）07-0094-05 |
| 收稿时间： | 2006-03-03 |
| 修稿时间： | 2006-03-03 |
Seismic Torsional Response of Base-Isolated Structure with Frame-Shear Wall |
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| Yuan Bing,Huang Yan-sheng,Ren Li-fei,Liang Fang-hui. Seismic Torsional Response of Base-Isolated Structure with Frame-Shear Wall[J]. Journal of South China University of Technology(Natural Science Edition), 2006, 34(7): 94-98 |
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| Authors: | Yuan Bing Huang Yan-sheng Ren Li-fei Liang Fang-hui |
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| Affiliation: | 1. Faculty of Construction, Guangdong Univ. of Tech. , Guangzhou 510006, Guangdong, China; 2. College of Architecture and Civil Engineering, South China Univ. of Tech. , Guangzhou 510640, Guangdong, China |
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| Abstract: | In order to investigate the seismic torsional response of base-isolated structures with frame-shear walls, the lateral-torsion coupling vibration model and the corresponding motion equation are formulated for the high-storey structure with frame-shear wall and isolated foundation under seismic action. The lateral-torsion coupling seismic response of the uniaxial-eccentricity base-isolated structure is then analyzed, and the seismic responses of several base-isolated structures with various eccentricity ratios are discussed. The results show that the eccentricity ratio of the superstructure to the base-isolated layer should be reasonably adjusted in the design of a structure, and that the torsional response of the base-isolated structure can be obviously reduced only when the eccentricity ratio satisfies a certain condition. |
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| Keywords: | frame-shear wall base isolation lateral-torsion coupling eccentricity ratio |
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