US rail equipment crashworthiness standards

Tyrell, David

doi:10.1243/09544090260082362

Cited by 37 publications

(17 citation statements)

References 9 publications

(8 reference statements)

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“…These engineering tools have permitted the development of crashworthiness standards that prescribe equipment performance under conditions closely related to the conditions expected in a collision (3). Such standards require few assumptions on the design approach or on the design details of the equipment.…”

Section: Discussionmentioning

confidence: 99%

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Rail passenger equipment accidents and the evaluation of crashworthiness strategies

Tyrell

2002

Proceedings of the Institution of Mechanical Engineers, Part F:

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The U.S. Department of Transportation's Federal Railroad Administration's (FRA) Office of Research and Development has been conducting research into rail equipment crashworthiness. The approach taken in conducting this research has been to review relevant accidents, identify options for design modifications to improve occupant survivability, and to apply analytic tools and testing techniques for evaluating the effectiveness of these strategies. Accidents have been grouped into three categories: train-to-train collisions, collisions with objects, such as grade crossing collisions, and derailments and other single train events. In order to determine the potential effectiveness of improved crashworthiness equipment, computer models have been used to simulate the behavior of conventional and modified equipment in scenarios based on accidents. INTRODUCTIONTrain accidents can be tragic events, with loss of life and serious injuries. The crashworthiness features of the train are intended to minimize fatalities and injuries if an accident does occur. The purpose of such features is to preserve sufficient space for the occupants to ride out the collision, and to maintain the forces and decelerations imparted to the occupants within survivable levels. Structural features of the cars, such as longitudinal strength of the carbody and crush zones at the ends of cars, influence how well the cars preserve the occupant volume during a collision and the decelerations imparted to the occupants. Occupant protection features inside the car, such as compartmentalization, influence the forces imparted to the occupants.

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Section: Discussionmentioning

confidence: 99%

“…The information from this research has been used to develop federal safety regulations for passenger equipment, which address emergency preparedness, fire safety, software safety, brakes, vehicle dynamic performance, and equipment crashworthiness (2). (See a companion paper for a discussion of federal crashworthiness regulations (3). )…”

Section: Researchmentioning

confidence: 99%

Rail passenger equipment accidents and the evaluation of crashworthiness strategies

Tyrell

2002

Proceedings of the Institution of Mechanical Engineers, Part F:

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“…The same working conditions are set for both. Boundary condition is the triangular impact acceleration curve and the initial speed is 36km / h [14][15]. …”

Section: Working Conditionsmentioning

confidence: 99%

Research on Secondary Impact Safety of Train Driver based on THUMS Dummy

Wang

Yue

et al. 2016

MATEC Web Conf.

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Abstract. Based on biomechanical Total Human Model for Safety (THUMS) dummy and traditional rigid dummy, the train driver injury of secondary impact in railway crash events is analyzed and the results are compared. The results of THUMS dummy are more detail and comprehensive to describe the injury of train driver. It could be applied to the safety research of crashworthiness of train driver cab in future. The driver injury is serious and needed to be optimized the parameter of cab console to reduce injury risk for the driver in the next work.

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“…The Volpe National Transportation Systems Center has carried out extensive testing and numerical simulations of full-scale secondary collisions using dummies in the passenger compartment. Some useful advice has additionally been adopted from other design work (Severson et al 2000;Tyrell 2002;Tyrell et al 1995aTyrell et al , 1995b. British Rail in the UK also developed a series of studies on secondary collisions between occupants and passenger compartment structures and assessed interior design crashworthiness.…”

Section: Introductionmentioning

confidence: 99%