A mathematical model and digital computer simulation are developed to analyze the dynamics of railway and road vehicles during grade crossing collisions. The main objective of the simulation is to relate the probability of derailment to railway vehicle speed; however, a variety of other response characteristics such as railway and road vehicle structure deformation and road vehicle dynamic response can be examined. The criterion for derailment is based on the derailment coefficient, i.e., ratio of wheel flange/railhead lateral force to vertical wheel load. More specifically, the computer simulation utilizes a relationship between the probability of wheel climb commencing and the derailment coefficient, established by Japan National Railways based on their experimental test program. A preliminary investigation is made of the sensitivity of the derailment probability to various collision situations, with the emphasis on increasing rail vehicle speed. Conclusions and recommendations based on this analysis are presented.
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June 1982
Research Papers
Prediction of the Probability of Rail Vehicle Derailment During Grade Crossing Collisions
D. B. Cherchas,
D. B. Cherchas
Department of Mechanical Engineering, University of Toronto, Toronto, Canada
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G. W. English,
G. W. English
Canadian Institute of Guided Ground Transport, Queen’s University, Kingston, Ontario, Canada
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N. Ritchie,
N. Ritchie
Casl Systems Ltd., Kingston, Ontario, Canada
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E. R. McIlveen,
E. R. McIlveen
Canadian Institute of Guided Ground Transport, Queen’s University, Kingston, Ontario, Canada
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C. Schwier
C. Schwier
Canadian Institute of Guided Ground Transport, Queen’s University, Kingston, Ontario, Canada
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D. B. Cherchas
Department of Mechanical Engineering, University of Toronto, Toronto, Canada
G. W. English
Canadian Institute of Guided Ground Transport, Queen’s University, Kingston, Ontario, Canada
N. Ritchie
Casl Systems Ltd., Kingston, Ontario, Canada
E. R. McIlveen
Canadian Institute of Guided Ground Transport, Queen’s University, Kingston, Ontario, Canada
C. Schwier
Canadian Institute of Guided Ground Transport, Queen’s University, Kingston, Ontario, Canada
J. Dyn. Sys., Meas., Control. Jun 1982, 104(2): 119-132 (14 pages)
Published Online: June 1, 1982
Article history
Received:
January 7, 1981
Online:
July 21, 2009
Citation
Cherchas, D. B., English, G. W., Ritchie, N., McIlveen, E. R., and Schwier, C. (June 1, 1982). "Prediction of the Probability of Rail Vehicle Derailment During Grade Crossing Collisions." ASME. J. Dyn. Sys., Meas., Control. June 1982; 104(2): 119–132. https://doi.org/10.1115/1.3139687
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