13th Asia Pacific Transportation Development Conference
PSD Analysis on Rail Roughness for Beijing Metro
Publication: Resilience and Sustainable Transportation Systems
ABSTRACT
The power spectral density (PSD) analysis of rail roughness is a key problem. It can directly represent the rail roughness level and provide a high-frequency excitation in the train-track coupled model. As there was no PSD for the metro ballastless track, more than 400 samples of rail unevenness of four typical types of track in Beijing Metro were measured and analysed. Besides, according to the existing research, the power function formula was adopted in this paper and the functional expressions of the four typical types of track of the Beijing Metro roughness spectrum were then proposed by using the classic periodogram method.
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Information & Authors
Information
Published In
Resilience and Sustainable Transportation Systems
Pages: 627 - 634
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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