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Risk Analysis of Freight-Train Derailment Caused by Track Geometry Defect

[+] Author Affiliations
Jiabo He, Tal Ben-Gera, Xiang Liu

Rutgers, The State University of New Jersey, Piscataway, NJ

Paper No. JRC2016-5743, pp. V001T06A007; 5 pages
doi:10.1115/JRC2016-5743
From:
  • 2016 Joint Rail Conference
  • 2016 Joint Rail Conference
  • Columbia, South Carolina, USA, April 12–15, 2016
  • Conference Sponsors: Rail Transportation Division
  • ISBN: 978-0-7918-4967-5
  • Copyright © 2016 by ASME

abstract

This paper develops an analytical framework for analyzing freight-train derailment risk due to track geometry failures. First, track geometry degradation is estimated based on a previous study that uses data from one Class I railroad. Then, the frequency of expected number of track-geometry-defect-caused derailment on mainlines is estimated. After that, the derailment severity (measured by the number of railcars derailed) can be predicted based on FRA-reportable track-geometry-failure-caused freight-train derailments. Due to data limitations, several simplifying assumptions were made to illustrate model structure and implementation procedure. The model can be adapted to specific carriers and locations for normative risk management of track geometry defects.

Copyright © 2016 by ASME

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