调频质量阻尼器在崇启大桥涡振控制中的应用

Application of Tuned Mass Damper in Vortex-Induced Vibration Control for Chongqi Bridge

崇启长江公路大桥是上海崇明通往江苏的重要桥梁。文章通过理论分析与风洞试验,采用调频质量阻尼器(TMD)对崇启大桥进行涡振控制。针对目前还没有手段证实风振对桥梁影响以及TMD对桥梁调节效果的现状,利用崇启大桥结构健康监测系统对建立的TMD系统进行在线实时监测,为TMD在桥梁减振中的应用提供了理论依据和实际数据。

Chongqi Yangtze river bridge is an important bridge which links Shanghai Chongming with Jiangsu. Tuned mass damper （TMD） is applied to control vortex-induced vibration for Chongqi Yangtze river bridge based on theoretical investigation and wind tunnel test. TMD system is monitored in real-time online by Chongqi bridge structural health monitoring system, for now there is no means to confirm the effects of wind vibration on bridge and adjusting effects of TMD on bridge. Resuhs could provide theoretical basis and practical data for the application of TMD in bridge.