| 用主梁下风侧附设翼板抑制悬索桥颤振 |
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| 引用本文： | 刘高,王秀伟,强士中.用主梁下风侧附设翼板抑制悬索桥颤振[J].西南交通大学学报,2001,36(1):12-16. |
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| 作者姓名： | 刘高 王秀伟 强士中 |
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| 作者单位： | 1. 西南交通大学土木工程学院,
2. 石家庄铁 道学院, |
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| 基金项目： | 国家自然科学基金资 助项目（59578001） |
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| 摘 要： | 首先建立了下风侧附加翼板桥梁主梁截面的自激气动力模型。以某悬索桥设计方案为工程背景，把桥梁与流作为一系统，应用多模态颤振分析方法，研究了在主梁下风侧设置翼板这种控制措施对改善该系统颤振稳定性的效果。分析表明，主梁下风侧附加翼板对悬索桥颤振是一种有效的气动控制措施。
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| 关 键 词： | 悬索桥 颤振稳定性 多模态颤振分析法 主梁 下风侧 翼板 自激气动力模型 颤振控制 |
| 文章编号： | 0258-2 724（2001）01-0012-05 |
Suppressing the Flutter of Suspension Bridges
with Additional Su rfaces Attached below the Trailing Edge Deck |
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| LIU Gao ,WANG Xiu wei ,QIANG Shi zhong.Suppressing the Flutter of Suspension Bridges
with Additional Su rfaces Attached below the Trailing Edge Deck[J].Journal of Southwest Jiaotong University,2001,36(1):12-16. |
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| Authors: | LIU Gao WANG Xiu wei QIANG Shi zhong |
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| Institution: | LIU Gao 1,WANG Xiu wei 2,QIANG Shi zhong 1 |
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| Abstract: | A model of self excited ae rodynamic forces acting on a section of bridge deck with additional surface atta ched below the trailing edge is established. In the engineering background of a suspension bridge tender project, taking the bridge and the airflow as a whole s ystem, the effectiveness of the surface in the flutter stability of the system i s studied by a multi-mode flutter analysis approach. The analysis shows that the additional surface attached below the trailing edge is an effective aerodynamic means for suppressing the flutter of suspension bridges. |
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| Keywords: | suspension bridges flutter stability |
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