TMD减振系统在人行桥结构中的应用
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摘要
人行桥结构在人行荷载作用下会产生竖向以及水平向振动,过大的振动会使行人产生不舒适感,因此往往采取有效的减振措施来控制连桥结构的振动。该文以某人行桥实际工程为研究对象,通过设置TMD减振系统,对比分析了人行桥在相同人行荷载作用下安装TMD系统前后的振动响应,验证TMD减振系统在人行桥结构上起到了良好的减振作用,加设TMD减振系统后能满足行人对于振动舒适度的要求。该人行桥结构TMD减振系统的应用可为类似工程的减振设计提供参考。
The bridges structures prone to vibrate under the loads of pedestrians,and excessive vibration will cause discomfort. Therefore effective measures are often used to control the vibration of the bridges. A brief introduction to theperformance and application of TMD damping system in the bridges structure. In this paper,an actual bridge project with TMD damping system is treated as a research object,and verify that the TMD damping system plays a good damping effect on the bridge structures and can satisfy the vibration comfort requirements by the comparative analysis of the vibration response before and after the TMD system installed with the bridge in the same pedestrian loads. This article with the bridge structure TMD damping system applications provide a reference for the design of similar projects damping
The bridges structures prone to vibrate under the loads of pedestrians,and excessive vibration will cause discomfort. Therefore effective measures are often used to control the vibration of the bridges. A brief introduction to theperformance and application of TMD damping system in the bridges structure. In this paper,an actual bridge project with TMD damping system is treated as a research object,and verify that the TMD damping system plays a good damping effect on the bridge structures and can satisfy the vibration comfort requirements by the comparative analysis of the vibration response before and after the TMD system installed with the bridge in the same pedestrian loads. This article with the bridge structure TMD damping system applications provide a reference for the design of similar projects damping
引文
[1]顾金钧,赵煜澄,邵克华.九江长江大桥应用新型TMD抑制吊杆涡振[J].土木工程学报,1994,27(3):3-13(Gu Jinjun,Zhao Yucheng,Shao Kehua.Application of new TMD to suppressing vortex-shedding vibration of hangers of Jiujiang bridge over Yangtze river[J].Journal of Civil Engineering,1994,27(3):3-13(in Chinese))
[2]Rana R,Soong T T.Parametric study and simplified design of tuned mass dampers[J].Engineering Structures,1998,20(3):193-204
[3]刘海燕,陈开利.在既有人行天桥栏杆上设置薄形TMD进行减振[J].世界桥梁,2004,1(3):27-32(Liu Haiyan,Chen Kaili.In Existing pedestrian bridge railing set thin shaped TMD damping[J].World Bridge,2004,1(3):27-32(in Chinese))
[4]樊健生,陈宇,聂建国.人行桥的TMD减振优化设计研究[J].工程力学,2012,29(9):68-79(Fan Jiansheng,Chen Yu,Nie Jianguo.The TMD damping optimize for footbridge design[J].Engineering Mechanics,2012,29(9):68-79(in Chinese))
[5]胡晓锋,胡世德.调谐质量阻尼器参数设计优化算法[J].同济大学学报,1999,27(2):141-144(Hu Xiaofeng,Hu Shide.Tuned mass damper parameter design optimization algorithm[J].Journal of Tongji University,1999,27(2):141-144(in Chinese))
[6]同长虹,张小栋.调谐质量阻尼器参数优化及其应用[J].振动、测试及诊断,2007,27(2):146-149(Tong Changhong,Zhang Xiaodong.Tuned mass damper parameter optimization and its application[J].Vibration Testing and Diagnosis,2007,27(2):146-149(in Chinese))
[7]林均岐,王云剑.调谐质量阻尼器的优化分析[J].地震工程与工程振动,1996,16(1):116-121(Lin Junqi,Wang Yunjian.Optimal analysis of tuned mass dampers[J].Earthquake Engineering and Engineering Vibration,1996,16(1):116-121(in Chinese))
[8]GB 13441.1—2007机械振动与冲击人体暴露于全身振动的评价[S].北京:中国标准出版社,2007(GB13441.1—2007 Mechanical vibration and shock—evaluation of human exposure to whole-body vibration[S].Beijing:Standards Press of China,2007(in Chinese))
[9]Almazan J L,Llera J C,Inaudi J A,et al.A bidirectional and homogeneous tuned mass damper:a new device for passive control of vibrations[J].Engineering Structures,2007,29:1548-1560
[10]Bernal J.Influence of ground motion characteristic on the effectiveness of tuned mass dampers[C]//Proceeding of the 6th world Conference on Earthquake Engineering,1996
[11]Yang F,Sedaghati R,Esmailzadeh E.Vibration suppression using distributed tuned mass damper[J].Proceedings of the ASME,2010:705-709
[12]李晓玮,施卫星.人行天桥MTMD减振控制的鲁棒性研究[J].结构工程师,2012(4):7-12(Li Xiaowei,Shi Weixing.Footbridge vibration control research on the robust MTMD[J].Structural Engineer,2012(4):7-12(in Chinese))
[2]Rana R,Soong T T.Parametric study and simplified design of tuned mass dampers[J].Engineering Structures,1998,20(3):193-204
[3]刘海燕,陈开利.在既有人行天桥栏杆上设置薄形TMD进行减振[J].世界桥梁,2004,1(3):27-32(Liu Haiyan,Chen Kaili.In Existing pedestrian bridge railing set thin shaped TMD damping[J].World Bridge,2004,1(3):27-32(in Chinese))
[4]樊健生,陈宇,聂建国.人行桥的TMD减振优化设计研究[J].工程力学,2012,29(9):68-79(Fan Jiansheng,Chen Yu,Nie Jianguo.The TMD damping optimize for footbridge design[J].Engineering Mechanics,2012,29(9):68-79(in Chinese))
[5]胡晓锋,胡世德.调谐质量阻尼器参数设计优化算法[J].同济大学学报,1999,27(2):141-144(Hu Xiaofeng,Hu Shide.Tuned mass damper parameter design optimization algorithm[J].Journal of Tongji University,1999,27(2):141-144(in Chinese))
[6]同长虹,张小栋.调谐质量阻尼器参数优化及其应用[J].振动、测试及诊断,2007,27(2):146-149(Tong Changhong,Zhang Xiaodong.Tuned mass damper parameter optimization and its application[J].Vibration Testing and Diagnosis,2007,27(2):146-149(in Chinese))
[7]林均岐,王云剑.调谐质量阻尼器的优化分析[J].地震工程与工程振动,1996,16(1):116-121(Lin Junqi,Wang Yunjian.Optimal analysis of tuned mass dampers[J].Earthquake Engineering and Engineering Vibration,1996,16(1):116-121(in Chinese))
[8]GB 13441.1—2007机械振动与冲击人体暴露于全身振动的评价[S].北京:中国标准出版社,2007(GB13441.1—2007 Mechanical vibration and shock—evaluation of human exposure to whole-body vibration[S].Beijing:Standards Press of China,2007(in Chinese))
[9]Almazan J L,Llera J C,Inaudi J A,et al.A bidirectional and homogeneous tuned mass damper:a new device for passive control of vibrations[J].Engineering Structures,2007,29:1548-1560
[10]Bernal J.Influence of ground motion characteristic on the effectiveness of tuned mass dampers[C]//Proceeding of the 6th world Conference on Earthquake Engineering,1996
[11]Yang F,Sedaghati R,Esmailzadeh E.Vibration suppression using distributed tuned mass damper[J].Proceedings of the ASME,2010:705-709
[12]李晓玮,施卫星.人行天桥MTMD减振控制的鲁棒性研究[J].结构工程师,2012(4):7-12(Li Xiaowei,Shi Weixing.Footbridge vibration control research on the robust MTMD[J].Structural Engineer,2012(4):7-12(in Chinese))
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