Side Structure Integrity Research for Passenger Rail Equipment [2022]
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2022-12-01
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Edition:August 2014 to July 2022
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Abstract:FRA sponsored research to evaluate the side impact strength of Tier I passenger rail equipment designs built to the current rollover and side structure regulations. This report presents results from the first stage of this research program, including: (1) the makeup of the U.S. passenger car fleet; (2) the accident history involving side structures in the U.S.; (3) a review of passenger rail-side structure design and performance criteria in current standards and regulations; (4) an evaluation of proof loads for similar vehicle structures used in other modes of transportation; and (5) a discussion of the technical challenges in proposing side impact criteria.
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