摘要
由于钢桥阻尼较小,在既有桥梁上开行准高速列车时桥梁可能产生竖向共振。为此作者对调频质量阻尼器(TMD)-车桥系统进行了分析,探讨了桥梁共振机理,研究了用TMD抑制铁路桥梁的竖向共振,结果表明是很有效的。
Because steel bridges exhiit low damping values,existing bridges can suffer resonance when a quasi high speed trainbis passing.In the present study a tuned mass damper train bridge system is analyzed,the mechanism of bridge resonance is approached,and the use of TMD to control the vertical resonance of railway bridges is studied.The results of study indicate that TMD is extraordinary effective for this purpose.
出处
《中国铁道科学》
EI
CAS
CSCD
北大核心
1998年第1期12-18,共7页
China Railway Science
基金
中国博士后基金
铁道部科技发展计划97G19-A资助
关键词
调频质量阻尼器
铁路桥
竖向共振
共振
Tuned mass damper,Quasi high speed railway,Interaction between bridge and vehicle,Vibration of bridge,Resonance