13th Asia Pacific Transportation Development Conference
Dynamic Characteristics Analysis of Railway Track with Tuned Rail Damper
Publication: Resilience and Sustainable Transportation Systems
ABSTRACT
Railway rolling noise caused by relative motion of wheel and rail is the main source of railway transit noise. Among various measures taken to reduce it, such as rail dampers, tuned rail dampers (TRD) is an effective way to reduce rolling noise by increasing decay rate of vibration along the rail. The dynamic characteristics of railway track with TRD can be different from that of conventional structure, because of induced spring-mass system. Their dynamics behavior needs to be studied. In this paper, the dynamic characteristics of a railway track with TRD were analyzed. An analysis model was established based on finite element method (FEM). Modal analysis was then conducted to obtain vibration mode characteristics of the structure, and then the harmonic response analysis was applied to it for verifying its mechanical behavior. This work helps TRD developers make a better product at the early design stage with lower cost and development time.
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ACKNOWLEDGEMENT
This work was supported by a grant from Shanghai Municipality Science and Technology Commission (No.17030501100).
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Information & Authors
Information
Published In
Resilience and Sustainable Transportation Systems
Pages: 599 - 606
Editors: Fengxiang Qiao, Ph.D., Texas Southern University, Yong Bai, Ph.D., Marquette University, Pei-Sung Lin, Ph.D., University of South Florida, Steven I Jy Chien, Ph.D., New Jersey Institute of Technology, Yongping Zhang, Ph.D., California State Polytechnic University, and Lin Zhu, Ph.D., Shanghai University of Engineering Science
ISBN (Online): 978-0-7844-8290-2
Copyright
© 2020 American Society of Civil Engineers.
History
Published online: Jun 29, 2020
Published in print: Jun 29, 2020
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