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大跨窄面悬索桥抖振时域精细化分析

, PP. 68-72

Keywords: 桥梁工程,大跨悬索桥,抖振,时域,响应

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Abstract:

以主跨278m,桥面宽4m的钢桁架加劲梁窄面悬索桥为工程背景,对大跨窄面悬索桥的风致抖振响应进行了有限元仿真模拟分析,并对可能影响桥梁抖振响应的几个关键的影响因素进行了分析,研究了大跨窄面悬索桥的抖振响应特点,得出结论对于大跨窄面悬索桥结构,在动力时程分析过程中考虑大变形效应,结构主梁的抖振响应脉动幅值均变小,且对主梁竖向脉动幅值的影响最大,对横向和扭转方向的影响值较小,计算动力响应可以偏保守不考虑结构的大变形,这样可以节省大量计算时间,几个关键因素对桥梁结构竖向、横向和扭转方向的抖振幅值的影响都各不相同,具体问题需根据要考虑的主要响应来决定计算因素的简化,在计算中应该区别对待。

References

[1]  陈政清.桥梁风工程
[2]  [M].北京:人民交通出版社,2005.CHEN Zhengqing.Bridge Wind Engineering
[3]  [M].Beijing:China Communications Press,2005.
[4]  胡峰强,陈艾荣,王达磊.山区桥梁桥址风环境试验研究
[5]  [J].同济大学学报,2006,34,(6):721-725.HU Fengqiang,CHEN Airong,WANG Dalei.Experimental Study of Wind Field in Bridge Site Located in Mountains Area
[6]  [J].Journal of Tongji University,2006,34,(6):721-725.
[7]  傅抱璞.山地气候
[8]  [M].北京:科学出版社,1983.FU Baopu.Mountain Climate
[9]  [M].Beijing:Science Press,1983.
[10]  陈英俊,于希哲.风荷载计算
[11]  [M].北京:中国铁道出版社,1998.CHEN Yingjun,YU Xizhe.Wind Load Computation
[12]  [M].Beijing:China Railway Press,1998.
[13]  胡晓伦.大跨度斜拉桥颤抖振响应及静风稳定性分析
[14]  [D].上海:同济大学,2006.HU Xiaolun.Flutter,Buffeting and Aerostatic Stability Analysis for Long-span Cable-stayed Bridges
[15]  [D].Shanghai:Tongji University,2006.
[16]  韩艳.桥梁结构复气动导纳函数与抖振精细化研究
[17]  [D].长沙:湖南大学.2007.HAN Yan.Study on Complex Aerodynamic Admittance Functions and Refined Analysis of Buffeting Response of Bridges
[18]  [D].Changsha:Hunan University,2007.
[19]  丁泉顺.大跨度桥梁耦合颤抖振响应的精细化分析
[20]  [D].上海:同济大学,2001.DING Quanshun.Refined Analysis of Coupled Flutter and Buffeting Response for Long-span Bridges
[21]  [D].Shanghai:Tongji University,2001.
[22]  胡俊,欧进萍.大跨度悬索桥抖振时变动力可靠性分析
[23]  [J].武汉理工大学学报,2010,32(5):26-30.HU Jun,OU Jinping.Time Dependent Dynamic Reliability of Buffeting Response of Long-span Suspension Bridge
[24]  [J].Journal of Wuhan University of Technology,2010,32 (5):26-30.
[25]  刘高,林家浩,王秀伟.基于首超破坏机制的大跨斜拉桥抖振动力可靠性分析
[26]  [J].应用力学学报,2004,12(9):53-57.LIU Gan,LIN Jiahao,WANG Xiuwei.Dynamic Reliability of Buffeting Responses in Long-span CabledStayed Bridges by the First Excursion Mechanism
[27]  [J].Chinese Journal of Applied Mechanics,2004,12 (9):53-57.
[28]  DAVENPORT A G.Buffeting of a Suspension Bridge by Storm Winds
[29]  [J].Structural Division,ASCE,1962,88(S3):233 -268.
[30]  赵林,葛耀军.考虑多分量气动导纳的抖振响应敏感性
[31]  [J].振动与冲击,2010,29(2):84-88.ZHAO Lin,GE Yaojun.Buffeting Response Sensitivity Analysis Considering Multi-component Admittance Function
[32]  [J].Journal of Vibration and Shock,2010,29(2):84-88.
[33]  王浩,李爱群,谢静,等.台风作用下超大跨度斜拉桥抖振响应现场实测研究
[34]  [J].土木工程学报,2010,43(7):71-76.WANG Hao,LI Aiqun,XIE Jing,et al.Field Measurement of the Buffeting Response of a Super-longspan Cable-stayed Bridge under Typhoon
[35]  [J].China Civil Engineering Journal,2010,43 (7):71 -76.
[36]  DAVENPORT A G.The Spectrum of Horizontal Gustiness Near the Ground in High Winds
[37]  [J].Royal Meteorological Society,1961,87:194-211.
[38]  陈伟.大跨度桥梁抖振反应谱研究
[39]  [D].上海:同济大学,1993.CHEN Wei.The Study on the Buffeting Response Spectrum of Long-span Bridges
[40]  [D].Shanghai:Tongji University,1993.
[41]  孙东科.长跨桥梁三维风振分析
[42]  [D].大连:大连理工大学,1999.SUN Dongke,Three-dimensional Wind Analysis of Longspan Bridges
[43]  [D].Dalian:Dalian University of Technology,1999.

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