Technical Reports

Development of a Distance Based Criterion for Flange Climbing Derailment

  • 01
  • Oct
  • 2005
AUTHOR: John Tunna, Xinggauo Shu, Huimin Wu, Nicholas Wilson
OFFICE: RPD
REPORT NUMBER: R-975
SUBJECT: Tracks & Structures
KEYWORDS: NUCARS, AREMA 136 RE Rails, Bi-Parameter Flange Climbing, Track Loading Vehicle
ABSTRACT: A bi-parameter flange climbing distance criterion is developed for vehicles with AAR-IB wheels running on a new AREMA 136 RE rail. The two parameter that affect flange climbing distance are angle of attack and lateral to vertical force ratios.

####