| 钢铅组合耗能器力学性能试验研究 |
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| 引用本文： | 王铁英, 王艳武, 王焕定, 张永山. 钢铅组合耗能器力学性能试验研究[J]. 工程力学, 2005, 22(2): 149-154. |
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| 作者姓名： | 王铁英 王艳武 王焕定 张永山 |
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| 作者单位： | 1.哈尔滨工业大学土木工程学院, 哈尔滨, 150090;2. 广州大学土木工程学院, 广州, 510405 |
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| 基金项目： | 北京工业大学校科研和校改项目 |
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| 摘 要： | 为了设计具有竖向耗能能力的抗倾覆装置,介绍了一种钢铅组合耗能器。通过对其静力、动力、电液伺服动静万能试验机实验结果的分析,表明该阻尼器能够使钢铅两种材料协同工作、共同耗能,具有制作工艺简单,能够满足位移小、阻尼大,耗能稳定的要求。通过分析还给出了耗能器的力学性能和恢复力模型。对大高宽比隔震结构的仿真计算分析表明,安装钢铅组合耗能器的抗倾覆装置具有一定的耗能能力,并能够避免结构倾覆。
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| 关 键 词： | 防灾减灾 结构抗震 试验研究 钢铅组合耗能器 滞回曲线 恢复力模型 |
| 文章编号： | 1000-4750(2005)02-0149-06 |
| 收稿时间： | 2003-06-03 |
| 修稿时间： | 2003-07-25 |
EXPERIMENTAL STUDY OF MECHANICAL PROPERTIES OF STEEL-LEAD MIXED DAMPERS |
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| WANG Tie-ying, WANG Yan-wu, WANG Huan-ding, ZHANG Yong-shan. EXPERIMENTAL STUDY OF MECHANICAL PROPERTIES OF STEEL-LEAD MIXED DAMPERS[J]. Engineering Mechanics, 2005, 22(2): 149-154. |
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| Authors: | WANG Tie-ying WANG Yan-wu WANG Huan-ding ZHANG Yong-shan |
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| Affiliation: | 1.School of Civil Engineering, Harbin Institute of Technology, Harbin 150090, China;2. School of Civil Engineering, Guangzhou University, Guangzhou 510405, China |
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| Abstract: | For design of overturn-resistant equipment with vertical energy dissipation, a steel-lead mixed damper is designed. Tensile and cyclic loading tests are performed to study the mechanical properties of the damper. Results show that the bi-material damper can work efficiently to dissipate energy. Based on the results, the hysteretic curve is given and the restoring model is set up. A base-isolated structure with a large height-to-width ratio is analyzed. The result indicates that the steel-lead mixed damper can dissipate energy and avoid overturn of structure. |
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| Keywords: | disaster prevention and reduction earthquake-resistance of structure experimental study steel-lead mixed damper hysteretic curve restoring force model |
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