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Reduced-Scale Rail Car Floor Fire Test Specimen Feasibility Study
The Federal Railroad Administration (FRA) contracted with Jensen Hughes (JH) to conduct ongoing research on the feasibility of reducing the size of the test article for floor fire resistance testing. This computational study was conducted to determine the conditions necessary to demonstrate that...
Fire Resistance Tests of Reduced Scale Rail Car Floor Assemblies
The Federal Railroad Administration contracted Jensen Hughes (JH) to conduct tests to validate the methodology for reducing the size of a test specimen for rail car floor fire resistance compliance test. The tests were conducted on May 20–24, 2019, at Southwest Research Institute (SwRI)....
Ground Penetrating Radar (GPR) Technology and Evaluation Implementation
From June 2015 to January 2018, the Federal Railroad Administration (FRA) contracted Transportation Technology Center, Inc. (TTCI) to perform a 3-year study to develop guidelines for the implementation of Ground Penetrating Radar (GPR) technology by North American railroads. To achieve this goal...
Ground Penetrating Radar (GPR) Technology Evaluation and Implementation: Appendices A Through F
From June 2015 to January 2018, the Federal Railroad Administration (FRA) contracted Transportation Technology Center, Inc. (TTCI) to perform a 3-year study to develop guidelines for the implementation of Ground Penetrating Radar (GPR) technology by North American railroads. This document...
Federal Railroad Administration Publishes Railroads’ First Quarter 2020 Positive Train Control Implementation Status Updates
PTC systems governing operations on 98% of all 58,000 PTC-mandated route milesEffect of Temperature on Wheel Shelling
In 2014, Transportation Technology Center, Inc. (TTCI) reviewed and summarized published data and the capabilities of twin disk machines that included a unique machine that allows elevated temperature testing. TTCI suggested a methodology for future testing on this thermally controlled twin disk...