United States Department of Transportation
i
A Crash Energy Management Specification for Passenger Rail Equipment: Research Results
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2007-02-01
[PDF-65.01 KB]
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TRIS Online Accession Number:01158556
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Abstract:At the request of Metrolink, the Federal Railroad Administration (FRA), with the Federal Transit Administration (FTA) and American Public Transportation Association (APTA), decided to form the ad hoc Crash Energy Management (CEM) Working Group in May 2005. This group developed recommendations for including crush zones in rail passenger cars for Metrolink to include in its procurement specification. The Volpe Center provided the Working Group with technical information from the research on passenger equipment crashworthiness it is conducting for FRA. Metrolink released its specification, including the recommendations from the Working Group, on September 16, 2005, as part of an invitation for bid. The specification is written so that the requirements prescribe levels of performance for the train, the car, and the mechanisms. Each requirement includes quantitative criteria for evaluation of compliance. The Working Group extensively discussed various evaluation methodologies, including non-linear large deformation finite element analysis and dynamic component tests, and worked to assure that practical evaluation methodologies are available for each requirement. For the components critical to the functioning of the crush zone, some of which may be difficult to analyze, component tests are required.
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