Minimising lateral impact derailment potential at level crossings through guard rails

Ling, Liang, Dhanasekar, Manicka, Thambiratnam, David P., & Sun, Yan Q. (2016) Minimising lateral impact derailment potential at level crossings through guard rails. International Journal of Mechanical Sciences, 113, pp. 49-60.

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Derailments due to lateral collisions between heavy road vehicles and passenger trains at level crossings (LCs) are serious safety issues. A variety of countermeasures in terms of traffic laws, communication technology and warning devices are used for minimising LC accidents; however, innovative civil infrastructure solution is rare. This paper presents a study of the efficacy of guard rail system (GRS) to minimise the derailment potential of trains laterally collided by heavy road vehicles at LCs. For this purpose, a three-dimensional dynamic model of a passenger train running on a ballasted track fitted with guard rail subject to lateral impact caused by a road truck is formulated. This model is capable of predicting the lateral collision-induced derailments with and without GRS. Based on dynamic simulations, derailment prevention mechanism of the GRS is illustrated. Sensitivities of key parameters of the GRS, such as the flange way width, the installation height and contact friction, to the efficacy of GRS are reported. It is shown that guard rails can enhance derailment safety against lateral impacts at LCs.

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ID Code: 95229
Item Type: Journal Article
Refereed: Yes
Keywords: Lateral impact, Passive safety, Derailment, Guard rail, Level crossing
DOI: 10.1016/j.ijmecsci.2016.04.011
ISSN: 0020-7403
Divisions: Current > Schools > School of Civil Engineering & Built Environment
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Facilities: HPC – QUT Supercomputer
Copyright Owner: Copyright 2016 Elsevier Ltd.
Copyright Statement: This manuscript version is made available under the CC-BY-NC-ND 4.0 license
Deposited On: 27 Apr 2016 23:50
Last Modified: 17 Jun 2016 03:30

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