| 磁流变阻尼器在洪山大桥拉索减振中的应用 |
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| 引用本文： | 陈政清,曹宏,禹见达,王修勇.磁流变阻尼器在洪山大桥拉索减振中的应用[J].中南公路工程,2005,30(4):27-30,103. |
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| 作者姓名： | 陈政清 曹宏 禹见达 王修勇 |
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| 作者单位： | 湖南大学土木工程学院,湖南长沙410082 |
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| 基金项目： | 国家自然科学基金资助项目（50178013） |
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| 摘 要： | 介绍了一种新型磁流变（MR）阻尼器——永磁调节装配式磁流变阻尼器在长沙洪山大桥拉索减振的应用及试验研究情况，得到了安装阻尼器前后拉索的动力特性，结果表明这种新型磁流变阻尼器能有效地提高拉索的模态阻尼比，抑制拉索的大幅振动。由于该阻尼器无需供电，装配简单，维修方便，与其他的磁流变阻尼器相比，具有较高的推广应用价值。
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| 关 键 词： | 磁流变阻尼器 斜拉索 拉索减振 |
| 文章编号： | 1002-1205（2005）04-0027-04 |
| 收稿时间： | 2005-07-03 |
| 修稿时间： | 2005-07-03 |
The Application of MR Damper in Cable Vibration Mitigation on Hongshan Bridge |
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| CHEN Zhengqing, CAO Hong, YU Jianda, WANG Xiuyong.The Application of MR Damper in Cable Vibration Mitigation on Hongshan Bridge[J].Central South Highway Engineering,2005,30(4):27-30,103. |
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| Authors: | CHEN Zhengqing CAO Hong YU Jianda WANG Xiuyong |
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| Institution: | School of Civil Engineering, Hunan University, Changsha, 410082, China |
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| Abstract: | The application and experiment research of a new type of Magneto-Rheological(MR) damper-permanent magnetism adjustable assemblage MR damper in mitigating cable vibration on Changsha Hongshan Bridge is introduced in this paper,the dynamic property of cable before and after installation of dampers is summarized,the results demonstrate this new type of MR damper can effectively improve the modal damping ratio,suppress the violent vibration.Comparing with other MR damper,this damper is no need to supply(power),easily assembled,convenient for repair,having a high value of application and popularization. |
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| Keywords: | stay-cable cable vibration control MR damper |
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