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eLibrary Search

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.

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To search an exact document title or key phrase, place quotations around the text. Example: "U.S. Government Grade Crossing Research & Stakeholder Engagement" Entering keywords without quotations will search the eLibrary for all occurrences of the keywords.

29 May 2020

Research Results

Investigating the Prominent Failure Mode of Cut Spikes Used in Elastic Fastening Systems

Author
Federal Railroad Administration

Subject Track

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...

Report Number
RR 20-09
Office
RDI-21

26 May 2020

Technical Reports

Reference-Free Estimates of Railroad Bridge Displacement under Revenue Service Traffic

Author
Federal Railroad Administration

Subject Track

Keywords: Railroad bridge safety, bridge performance monitoring, reference-free displacements estimation, campaign monitoring

Report Number
DOT/FRA/ORD-20/21
Office
RDI-21

21 May 2020

Technical Reports

Ground Penetrating Radar (GPR) Technology and Evaluation Implementation

Author
Federal Railroad Administration

Subject Track

Keywords: Ground Penetrating Radar, GPR, substructure parameters, track condition, track substructure degradation, track

Report Number
DOT/FRA/ORD-20/18
Office
RDI-21

18 May 2020

Technical Reports

Ground Penetrating Radar (GPR) Technology Evaluation and Implementation: Appendices A Through F

Author
Federal Railroad Administration

Subject Track

Keywords: Ground Penetrating Radar, GPR, substructure parameters, track condition, track substructure degradation, track

Report Number
DOT/FRA/ORD-20/18
Office
RDI-21

6 Apr 2020

Technical Reports

Extended Field Trials of LRAIL for Automated Track Change Detection

Author
Federal Railroad Administration

Subject Track

Keywords: Laser triangulation, algorithms, change detection, safety, inspection

Report Number
DOT/FRA/ORD-20/14
Office
RDI-21