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Proceedings Paper

Determination of dynamic rail properties by means of modal testing
Author(s): Shyh-Chour Huang; Ren-sheng Lin; Jiun-Rong Liao; Yung-Chuan Chen
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Paper Abstract

The interference to the public due to the operations of transit system is one of the major issues to the people in the surrounding areas. The interference is due to the vibrations caused by the rolling stock itself and the interaction between train and the rail. The interaction is propagated by the soil. The soil accepts the energy and produces compressive waves. The waves transmit the energy to the surrounding buildings. The human percepts the vibrations and feels uncomfortable. In order to suppress the vibrations and reduce the noise from the operations of the trains, a suitable mathematical model must set up to begin the analysis of the dynamic characteristics of the rail and the transmission of the vibration. This study is to apply modal testing to measure the dynamic characteristics of the rail to establish a feasible mathematical model. The dynamical characteristics of the rail are obtained by the analysis of the result of a hammer excitation to the rail. The result provide the parameters for the mathematical model. The mathematical model will be more practical and feasible. The final mathematical model will be the foundation to the studies for the interaction of the wheelset and rail and for the studies for the vibrations transmission to the buildings.

Paper Details

Date Published: 29 May 2002
PDF: 4 pages
Proc. SPIE 4537, Third International Conference on Experimental Mechanics, (29 May 2002); doi: 10.1117/12.468765
Show Author Affiliations
Shyh-Chour Huang, National Kaohsiung Univ. of Applied Sciences (China)
Ren-sheng Lin, Kaohsiung Mass Rapid Transit (China)
Jiun-Rong Liao, Kaohsiung Mass Rapid Transit (China)
Yung-Chuan Chen, National Pingtung Univ. of Science and Technology (China)

Published in SPIE Proceedings Vol. 4537:
Third International Conference on Experimental Mechanics
Xiaoping Wu; Yuwen Qin; Jing Fang; Jingtang Ke, Editor(s)

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