A test of suppressing rail vibration by tuned rail damper for Beijing metro

被引：0
|
作者：
Liu W.-F. [1 ]
Zhang H.-G. [1 ]
Meng L. [2 ]
Wu Z.-Z. [1 ]
Zhang H. [1 ]
机构：
[1] School of Civil Engineering, Beijing Jiaotong University, Beijing
[2] Subway Operation Technology R & D Center, Beijing Metro Operation Co., Ltd., Beijing
来源：
Zhendong Gongcheng Xuebao/Journal of Vibration Engineering | 2016年 / 29卷 / 01期
关键词：
Egg fastener; Rail corrugation; Tuned rail damper; Vibration of rail;
D O I：
10.16385/j.cnki.issn.1004-4523.2016.01.014
中图分类号：
学科分类号：
摘要：
The rail corrugation on the track using the Egg fastener becomes a serious problem on several operating lines of Beijing metro in recent years. The investigations and field measurements show that the corrugation is mainly induced by the resonance vibration in the train/track system at 200-400 Hz. And the damping on the Egg fastener track in 200-400 Hz range is not sufficient to suppress the resonance vibration. To suppress the vibration of rail, the Tuned Rail Damper (TRD) was installed on the rail web to provide effective damping on the Egg fastener track. And a test was carried out on Yizhuang line of Beijing metro to evaluate the effectiveness of suppressing rail vibration. The track decay rate and the pass-by acceleration on the rail were measured before and after the TRD installation. The measurement results show that TRD is an effective treatment for increasing the decay rate and reducing the vibration of rail on the Egg fastener track. © 2016, Nanjing University of Aeronautics an Astronautics. All right reserved.
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页码：105 / 111
页数：6
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