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Evaluation of Forces on Derailed Wheels Using Soil Cutting Theory

[+] Author Affiliations
Darrell R. Krueger, Matthew G. Dick

Rail Sciences Inc., Scottdale, GA

Paper No. JRC2009-63057, pp. 219-228; 10 pages
doi:10.1115/JRC2009-63057
From:
  • 2009 Joint Rail Conference
  • 2009 Joint Rail Conference
  • Pueblo, Colorado, USA, March 4–5, 2009
  • Conference Sponsors: Rail Transportation Division
  • ISBN: 978-0-7918-4338-3 | eISBN: 978-0-7918-3842-6
  • Copyright © 2009 by ASME

abstract

Much research has been performed on predicting the derailment of a rail car when properly situated on rails. However, less work has been performed on evaluating what happens to a railcar’s wheel after derailment. Recent work has used a simplified off-track ground friction coefficient to aid in the prediction of post-derailment car trajectories. This paper uses soil cutting theory to investigate the lateral and longitudinal forces acting on a derailed wheel in different soil types. Findings are compared to the use of the simplified off-track ground friction and may improve the accuracy of current derailment simulation techniques.

Copyright © 2009 by ASME
Topics: Force , Cutting , Soil , Wheels

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