| 中承式桁架拱桥节段模型风洞试验研究 |
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| 引用本文： | 敖文刚,晏致涛,王承启.中承式桁架拱桥节段模型风洞试验研究[J].重庆工商大学学报(自然科学版),2007,24(5):514-518. |
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| 作者姓名： | 敖文刚 晏致涛 王承启 |
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| 作者单位： | 1. 重庆大学,土木工程学院,重庆,400045;重庆工商大学,机械包装工程学院,重庆,400067
2. 重庆大学,土木工程学院,重庆,400045 |
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| 摘 要： | 通过重庆朝天门长江大桥的节段模型静力试验和动力试验,获得了主梁及主拱的静力三分力系数随攻角的变化规律、主梁的颤振特性,识别了主梁的8个颤振导数,并对试验获得的结果进行了详细分析;对该桥的主梁和主拱结构的抗风性能进行了评价。
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| 关 键 词： | 朝天门长江大桥 静力三分力 风洞试验 节段模型 颤振导数 |
| 文章编号： | 1672-058X（2007）05-0514-05 |
| 收稿时间： | 2007-04-28 |
| 修稿时间： | 2007-06-24 |
Wind tunnel test of segmental models of half-through truss arch bridges |
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| AO Wen-gang,YAN Zhi-tao,WANG Cheng-qi.Wind tunnel test of segmental models of half-through truss arch bridges[J].Journal of Chongqing Technology and Business University:Natural Science Edition,2007,24(5):514-518. |
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| Authors: | AO Wen-gang YAN Zhi-tao WANG Cheng-qi |
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| Institution: | 1. College of Civil Engineering, Chongqing University, Chongqing 400030; 2. School of Mechanical and Packaging Engineering,Chongqing Technology and Business University,Chongqing 400067 ,China |
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| Abstract: | Based on static dynamic force test of segmental models of Chongqing Chaotianmen Bridge,dynamic force test,the varying law of the coefficients of three-dimensional static component forces with the changing of attack angles and properties of main girder and main arch,and flutter property of main girder are obtained,and eight flutter derivatives of main girder are recognized.The results from the experiments are,in detail,analyzed.The anti-wind property of main girder and main arch is evaluated. |
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| Keywords: | Chaotianmen Bridge over Yantze River three-dimensinonal static force wind-tunnel test segmental model flutter derivative |
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