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Keywords: Phased array ultrasound, PAUT, transverse defect, TD, rail head repair, weld repair
Keywords: Elastic fastener, broken spike, spike failure mode, vertical rail force, lateral rail force, longitudinal rail force, wood tie, wood species, wood tie damage, finite element analysis
Abstract: Under the sponsorship of the Federal Railroad Administration, researchers conducted finite element (FE) analyses at the Volpe National Transportation Systems Center from April...
Under the sponsorship of the Federal Railroad Administration, researchers conducted finite element (FE) analyses at the Volpe National Transportation Systems Center from April...
Keywords: Broken spikes, lag screws, elastic fastening systems, wide gauge derailment
Abstract: University of Illinois’ (UIUC) researchers completed an investigation of timber crosstie spike fastener failures on North American railroads between April and October 2018. This...
Keywords: Rail, rolling contact fatigue, RCF, wear, friction control, grinding, mega site
Abstract: The Federal Railroad Administration (FRA) with the Association of American Railroads (AAR) co-sponsored rail integrity and performance testing as part of the joint Heavy-Axle-Load...
Keywords: Ballast, fines, drainage, mud pumping, settlement
Abstract: In 2017, the Federal Railroad Administration (FRA) and Transportation Technology Center, Inc. (TTCI) constructed and performed ongoing initial tests on a “Rainy Section” of track...