United States Department of Transportation
i
Development and fabrication of state-of-the-art end structures for Budd M1 cars
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2008-09-24
[PDF-1.17 MB]
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Alternative Title:2008 ASME Rail Transportation Division Fall Technical Meeting
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Abstract:The Volpe Center and the Federal Railroad Administration are engaged in active research aimed at improving rail vehicle crashworthiness. One component of this research is focused on improving the performance of passenger train cab cars during collisions with heavy objects at grade crossings. New standards have been approved by the American Public Transportation Association that increase the strength requirements for cab car end structures and impose further requirements on their ability to absorb energy during a collision. The FRA has issued a notice of proposed rulemaking (NPRM) to include these new standards in 49CFR238.211. These standards include requirements for demonstration of energy absorption through either quasi-static or dynamic tests. The intent of each test method is to demonstrate a minimum level of energy absorption?120,000 ft-lbs for a corner post load and 135,000 ft-lbs for a collision post load while limiting occupied volume intrusion to less than 10 inches.
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