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University of Illinois’ (UIUC) researchers completed an investigation of timber crosstie spike fastener failures on North American railroads between April and October 2018. This investigation, funded by the Federal Railroad Administration (FRA), included a review of derailment reports and...
Untensioned pullout tests were conducted to obtain the bond-slip characteristics of two groups of prestressing tendons used in concrete railroad tie production. The purpose of this testing was to provide empirical data to support numerical methods of predicting splitting and bursting failures in...