| 并列双箱梁桥面风致涡激振动试验研究 |
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| 引用本文： | 陈政清,牛华伟,李春光.并列双箱梁桥面风致涡激振动试验研究[J].湖南农业大学学报(自然科学版),2007,34(9). |
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| 作者姓名： | 陈政清 牛华伟 李春光 |
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| 作者单位： | 湖南大学风工程试验研究中心 湖南长沙410082 |
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| 摘 要： | 基于两座具有并列双箱梁的缆索承重桥梁,做了一系列的弹性悬挂节段模型风洞试验.结果表明,双桥面之间存在不可忽略的气动干扰效应,它对双桥面桥梁的涡激振动会产生不利影响.以平胜桥主梁节段模型为基础的风洞试验研究表明,并列双桥面之间的气动干扰效应随着桥面间距的增加而减弱,从而使主梁的涡激振动特性随两桥面之间的距离而变化,而增加阻尼是抑制双桥面涡激振动的有效手段.
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| 关 键 词： | 涡激振动 风洞试验 双桥面 |
Experimental Study on Wind-Induced Vortex Shedding of Parallel Box-Girder Bridge |
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| CHEN Zheng-qing,NIU Hua-wei,LI Chun-guang.Experimental Study on Wind-Induced Vortex Shedding of Parallel Box-Girder Bridge[J].Journal of Hunan Agricultural University,2007,34(9). |
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| Authors: | CHEN Zheng-qing NIU Hua-wei LI Chun-guang |
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| Institution: | Research Center of Wind Engineering, Hunan Univ, Changsha, Hunan 410082, China |
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| Abstract: | Based on two cable supported bridges with parallel box girder,a series of wind tunnel tests of the sectional models were performed to study the vortex-induced vibration of the decks.In the tests,two sectional models were all suspended with 8 springs in wi |
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| Keywords: | vortex shedding wind tunnel test two decks |
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