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The FRA eLibrary contains all the documents that are found throughout the FRA Public Website. Multiple pages on the website may link to the same eLibrary item based on its set of metatdata.
Can I find All FRA Documents in the Library?
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21
Sep
2023
Technical Reports
Vertical Split Rim: Causes and Prevention
Subject
Rolling Stock
Keywords: Vertical split rim, VSR, wheel cracks, finite element analysis, FEA, residual stress, fatigue damage models, finite element, FE
Abstract: Vertical split rim (VSR) is a serious railway wheel failure mode that requires further research. Visual clues are not usually present until the crack propagates through the rim...
Report Number
DOT/FRA/ORD-23/30
Office
RDI-22
15
Sep
2023
Technical Reports
Vehicle Dynamics Models for Derailment Incident Investigation
Subject
Rolling Stock
Keywords: Derailment, freight car dynamics, vehicle dynamics, VAMPIRE simulations, vehicle track interaction, wheel rail interaction
Abstract: When investigating a train derailment, vehicle/track interaction (VTI) using vehicle dynamics simulations of the key vehicles in the derailed train can help identify specific...
Report Number
DOT/FRA/ORD-23/27
Office
RDI-22
5
Sep
2023
Technical Reports
Torsional Strength and Stiffness of a Passenger Car Coupling System
Subject
Rolling Stock
Keywords: Full Scale Testing, H couplers, Coupler Torsion, Torsional Transmission
Abstract: Between September 2019 and June 2022, the Federal Railroad Administration (FRA) sponsored a research team from Sharma & Associates to model and test the torsional strength...
Report Number
DOT/FRA/ORD-23/24
Office
RDI-22
21
Aug
2023
Technical Reports
Locomotive Crash Energy Management Train-to-Train Collision Test
Subject
Rolling Stock
Keywords: Impact test, crash energy management, CEM, occupant protection systems, transportation safety, passenger car safety
Abstract: The Federal Railroad Administration (FRA) sponsored MxV Rail to conduct a collision test using both a moving and a stationary three-car consist. The moving consist included an...
Report Number
DOT/FRA/ORD-23/22
Office
RDI-22
11
Jul
2023
Technical Reports
Development of an Operationally Efficient PTC Braking Enforcement Algorithm for Freight Trains: Appendices F
Subject
Braking Systems,
Positive Train Control,
Signal and Train Control
Keywords: Braking algorithm, enforcement algorithm, positive train control, PTC, train control, simulation, Monte Carlo simulation, adaptive enforcement algorithm, emergency brake backup
Report Number
DOT/FRA/ORD-13/34
Office
RRD