| 三维基础隔震结构多维地震反应的非线性分析 |
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| 引用本文： | 熊世树,陈金凤,梁波,苏经宇.三维基础隔震结构多维地震反应的非线性分析[J].华中科技大学学报(自然科学版),2004,32(12):81-84. |
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| 作者姓名： | 熊世树 陈金凤 梁波 苏经宇 |
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| 作者单位： | 1. 华中科技大学,土木工程与力学学院,湖北,武汉,430074
2. 北京工业大学,抗震减灾研究所,北京,100022 |
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| 基金项目： | 国家自然科学基金资助项目 (5 0 2 780 93) |
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| 摘 要： | 提出了一种铅芯橡胶碟簧三维隔震支座(3DB)，它由铅芯叠层橡胶支座LRB和加有阻尼材料的碟形弹簧支座DSB串联组成，3DB能有效解决三维隔震支座竖向阻尼的难题，并可以有效地抑制摇摆，建立了3DB三维隔震框架结构多维地震反应的非线性分析模型及其运动方程，并以一栋平面为L形的五层3DB三维基础隔震框架结构为例，对其多维地震反应进行了计算机仿真分析，结果表明，本系统的三维隔震效果十分明显，地震反应降低了50％以上。
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| 关 键 词： | 三维隔震 三维隔震支座 多维地震反应 铅芯橡胶支座 碟形弹簧支座 |
| 文章编号： | 1671-4512(2004)12-0081-04 |
| 修稿时间： | 2004年4月7日 |
Nonlinear analysis of multi-dimensional seismic response in 3D base isolated structure |
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| Xiong Shishu Chen Jinfeng Liang Bo Su Jingyu Xiong Shishu Dr., College of Civil Engineering and Mechanics,Huazhong Univ. of Sci. & Tech.,Wuhan ,China..Nonlinear analysis of multi-dimensional seismic response in 3D base isolated structure[J].JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE,2004,32(12):81-84. |
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| Authors: | Xiong Shishu Chen Jinfeng Liang Bo Su Jingyu Xiong Shishu Dr College of Civil Engineering and Mechanics Huazhong Univ of Sci & Tech Wuhan China |
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| Institution: | Xiong Shishu Chen Jinfeng Liang Bo Su Jingyu Xiong Shishu Dr., College of Civil Engineering and Mechanics,Huazhong Univ. of Sci. & Tech.,Wuhan 430074,China. |
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| Abstract: | The three dimensional lead-rubber dish-spring bearing (3DB) was proposed. The 3DB was composed of Lead Rubber Beading (LRB) and Dish-Spring Bearing with damper (DBS) in series. The proposed 3DB was effective in the resolution of difficulty in vertical damping of 3D isolation bearings, and in the suppression of the rocking motion. The analytical model and motion equation of multi-seismic responses of 3D base isolated frame structure was established, a five-story frame structure was taken as an example and an extensive simulation analysis was carried out. The analysis results showed that the 3D base-isolated structure with the proposed 3DB was effective in 3D isolation. It can reduce 50% seismic responses compared with the non-isolation structure. |
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| Keywords: | 3D base isolation 3D base isolator multi-dimensional seismic response Lead Rubber Beading Dish-Spring Bearing |
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