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大跨度桥梁主梁沿跨向涡激振动响应计算

鲜荣 廖海黎 李明水

鲜荣, 廖海黎, 李明水. 大跨度桥梁主梁沿跨向涡激振动响应计算[J]. 西南交通大学学报, 2008, 21(6): 740-746.
引用本文: 鲜荣, 廖海黎, 李明水. 大跨度桥梁主梁沿跨向涡激振动响应计算[J]. 西南交通大学学报, 2008, 21(6): 740-746.
XIAN Rong, LIAO Haili, LI Mingshui. Calculation of Spanwise Vortex-Induced Vibration Responses of Long-Span Bridge Girder[J]. Journal of Southwest Jiaotong University, 2008, 21(6): 740-746.
Citation: XIAN Rong, LIAO Haili, LI Mingshui. Calculation of Spanwise Vortex-Induced Vibration Responses of Long-Span Bridge Girder[J]. Journal of Southwest Jiaotong University, 2008, 21(6): 740-746.

大跨度桥梁主梁沿跨向涡激振动响应计算

详细信息
    作者简介:

    鲜荣(1980- ),男,博士研究生,研究方向为桥梁与结构抗风抗震,电话:15882465796,E-mail:rxianok@163.com

Calculation of Spanwise Vortex-Induced Vibration Responses of Long-Span Bridge Girder

  • 摘要: 为向抑振提供准确的参考数据,基于单自由度涡激振动经验线性模型,结合主梁振型、阻尼和涡激力相关性,导出了主梁沿跨向竖向、扭转涡激振动响应,建立了大跨度桥梁主梁沿跨向涡激振动描述体系,并探讨了节段模型涡激振动识别气动参数的方法.以一大跨度斜拉桥为例,计算了主梁在不同风攻角下涡激力相关性及沿跨向竖向、扭转涡激振动响应.结果表明,受涡激力相关性作用,涡激振动振幅沿跨向衰减较快.

     

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出版历程
  • 收稿日期:  2008-04-28
  • 刊出日期:  2008-12-25

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