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中国公路学报
CHINA JOURNAL OF HIGHWAY AND TRANSPORT
2007 Vol.20 No.3 P.35-40

数字化期刊

大跨度悬索桥中央开槽箱梁断面的颤振性能

杨詠昕  葛耀君  曹丰产 

摘 要:以建成后将成为世界最大跨径的钢箱梁悬索桥--西堠门大桥为例,通过节段模型风洞试验、CFD数值模拟和理论计算对中央开槽箱梁断面的颤振稳定性能进行研究,分析了开槽宽度和箱梁内外侧局部气动外形的改变对中央开槽箱梁断面颤振稳定性能的影响.研究结果表明:开槽宽度对中央开槽箱梁断面的颤振稳定性能影响显著;箱梁内外侧局部气动外形的改变也会对结构颤振性能产生一定的影响,而且影响规律更为复杂.
关键词:桥梁工程;中央开槽箱梁;风洞试验;颤振性能;CFD数值模拟;颤振控制
分类号:U448.25 文献标识码:A

文章编号:1001-7372(2007)03-0035-06

Flutter Performance of Central-slotted Box Girder Section for Long-span Suspension Bridges

YANG Yong-xin  GE Yao-jun  CAO Feng-chan 

基金项目:国家自然科学基金项目(50608059)
作者简介:杨詠昕(1974-),男,浙江宁波人,讲师,工学博士,E-mail:yang_y_x@mail.tongji.edu.cn.
作者单位:杨詠昕(同济大学,土木工程防灾国家重点实验室,上海,200092) 
     葛耀君(同济大学,土木工程防灾国家重点实验室,上海,200092) 
     曹丰产(同济大学,土木工程防灾国家重点实验室,上海,200092) 

参考文献:

[1]丁泉顺,陈艾荣,项海帆.大跨度桥梁结构气动耦合直接颤振分析[J].中国公路学报,2001,14(3):39-43.DING Quan-shun,CHEN Ai-rong,XIANG Hai-fan.Aerodynamically Coupled Direct Flutter Analysis of Long-span Bridges[J].China Journal of Highway and Transport,2001,14(3):39-43.
[2]邰扣霞,丁大钧.中国桥梁建设新飞跃[J].建筑科学与工程学报,2006,23(2):30-40.TAI Kou-xia,DING Da-jun.New Leaps in Construction of Bridges in China[J].Journal of Architecture and Civil Engineering,2006,23(2):30-40.
[3]马学起,李树东,刘万锋.悬索桥的构造选择[J].西安公路交通大学学报,2000,20(2):52-54.MA Xue-qi,LI Shu-dong,LIU Wan-feng.Structure Selection of Suspension Bridge[J].Journal of Xi'an Highway University,2000,20 (2):52-54.
[4]陈政清.斜拉索风雨振现场观测与振动控制[J].建筑科学与工程学报,2005,22(4):5-10.CHEN Zheng-qing.On-site Observation of Wind-rain Induced Vibration of Stay Cables and Its Control[J].Journal of Architecture and Civil Engineering,2005,22(4):5-10.
[5]SATO H,OGIHARA K.Aerodynamic Characteristics of Slotted Box Girders[C]//The Hong Kong Institution of Engineers.Proceedings of Bridges into 21st Century.Hong Kong:The Hong Kong Institution of Engineers,1995:721-728.
[6]杨詠昕.大跨度桥梁二维颤振机理及其应用研究[D].上海:同济大学,2002.YANG Yong-xin.Research on Two-dimensional Flutter Mechanism and Its Application for Long-span Bridges[D].Shanghai:Tongji University,2002.
[7]曹丰产.桥梁断面中间开槽对颤振稳定性的影响[J].同济大学学报:自然科学版,2002,30(5):551-556.CAO Feng-chan.Influence of Central Slot on Bridge Box Girder's Flutter Instability[J].Journal of Tongji University:Natural Science,2002,30(5):551-556.
[8]LARSEN A,ASTIZ M A.Aeroelastic Considerations for the Gibraltar Bridge Feasibility Study[C]//LARSEN A,ESDAHAL W.Bridge Aerodynamics.Balkema:Rotterdam,1998:165-173.
[9]YANG Y X,GE Y J,XIANG H F.Coupling Effects of Degrees of Freedom in Flutter Instability of Longspan Bridges[C]//CHOI C K,KAREEM A,MATSUMOTO M,et al.Proceedings of the 2nd International Symposium on Advances in Wind and Structures.Busan:Techno-press,2002:625-632.
[10]SATO H,KUSUHARA S,OGI K,et al.Aerodynamic Characteristics of Super Long-span Bridges with Slotted Box Girder[J].Journal of Wind Engineering and Industrial Aerodynamics,2000,88(2):297-306.
[11]LARSEN A.Aerodynamic Aspects of the Final Design of the 1624 m Suspension Bridge Across the Great Belt[J].Journal of Wind Engineering and Industrial Aerodynamics,1993,48(2):261-285.
[12]同济大学土木工程防灾国家重点实验室.润扬大桥抗风性能研究[R].上海:同济大学,2003.State Key Laboratory for Disaster Reduction in Civil Engineering of Tongji University.Wind-resistant Performance Investigation for Runyang Bridge[R].Shanghai:Tongji University,2003.
[13]同济大学土木工程防灾国家重点实验室.西堠门大桥悬索桥抗风性能及风振控制研究报告[R].上海:同济大学,2003.State Key Laboratory for Disaster Reduction in Civil Engineering of Tongji University.Aerodynamic Performance and Vibration Control for Xihoumen Suspension Bridge[R].Shanghai:Tongji University,2003.
[14]曹丰产.桥梁气动弹性问题的数值计算[D].上海:同济大学,1999.CAO Feng-chan.Numerical Calculation of Aeroelastic Problem in Bridge[D].Shanghai:Tongji University,1999.
[15]YANG Y X,GE Y J,XIANG H F.3 DOF Coupling Flutter Analysis for Long-span Bridges[C]//SMITH D,VANN P.Proceedings of the 11th International Conference on Wind Engineering.Lubbok:Texas Tech University,2003:925-932.

收稿日期:2006年7月16日

出版日期:2007年5月31日