Quarterly Report of RTRI
Online ISSN : 1880-1765
Print ISSN : 0033-9008
ISSN-L : 0033-9008
PAPERS
Load Transmission Characteristic to Ballast Layer Focused on Deformation Mode of Sleeper
Fumihiro URAKAWAAkira AIKAWAAkira NAMURA
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2010 Volume 51 Issue 4 Pages 227-233

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Abstract

In this paper, we report the experimental modal analysis as developed for the 3PR-sleeper and the dynamic response measurement in the existing track in order to clarify the transmission characteristic of a dynamic load to the ballast layer. The result shows that the sleeper vibrates in its normal mode by some frequencies with a superior response of the load at the lower side of a sleeper, in addition, the deformed shape of sleeper's normal mode cause specific load distributions at the lower side of a sleeper.

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© 2010 by Railway Technical Research Institute
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