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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.

Can I find All FRA Documents in the Library?
Some "documents" may not appear here for the following reasons:

  • Document resides on an external site for the record of source, links to the document are provided in context but not in the library as FRA does not maintain this record. This document lives on another website.
  • Document has not yet been assigned keywords.
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  • Document is public affairs & policy related, such as press releases, speeches, testimony, or fact sheet. These press-related documents can now be found in the FRA Newsroom.
  • Document is related to rules and notices. This information can now be found on the Rulemakings search and the Notices search, respectively.
Refine Your Search

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.

30 Sep 2024

Research Results

Detection of Rockfall-Prone Areas Through InSAR-SBAS Analysis

Author
Dimitris Rizos, Sumanth Byrraju

Subject Track

Keywords: InSAR, Rockfall, SBAS, High Risk Area Detection, Satellite, Infrastructure

Abstract:

Identifying and monitoring rockfall- and landslide-prone areas is crucial for effective risk mitigation, as these geohazard events present significant challenges and hazards to...

Report Number
RR 24-12
Office
RDI-21

19 Sep 2024

Research Results

Railroad Spike Failure Mitigation: Investigation of Tie Plate Hold-Down Elements

Author
Marcus Dersch, Rahat Mahmud Khan

Subject Research, Track

Keywords: Broken spikes; spring washers; spring specifications; hold-down load; resiliency; elastic fasteners; stress relaxation

Abstract:

The Rail Transportation and Engineering Center (RailTEC) at the University of Illinois Urbana-Champaign (UIUC) investigated methods to mitigate timber tie spike failures. This...

Report Number
RR 24-11
Office
RDI-21

12 Feb 2024

Research Results

Expansion of Rail Flaw Library at the Transportation Technology Center

Author
Federal Railroad Administration

Subject Track

Keywords: Rail, rail wear, rail defect, rail flaw library, ultrasonic testing, UT, phased array ultrasonic testing, PAUT, Miniprof, Rail Flaw Library of Associated Defects, RF-LOAD, non-destructive evaluation, NDE, track

Report Number
RR 22-36
Office
RDI-21

21 Jul 2023

Research Results

Modeling Track Mechanical Behavior with Under Tie Pads and Under Ballast Mats

Author
Federal Railroad Administration

Subject Track

Keywords: Under Tie Pads, Under Ballast Mats, Finite Element Analysis

Abstract:

Under the sponsorship of the Federal Railroad Administration (FRA), researchers at the Volpe National Transportation Systems Center developed a finite element (FE) track model...

Report Number
RR 23-10
Office
RDI-21

14 Jul 2023

Research Results

Development Length Variables in Pretensioned Concrete Ties

Author
Federal Railroad Administration

Subject Track

Keywords: : railroad ties, indented wire geometry, development length, flexural capacity, prestressed concrete, moment capacity

Report Number
RR 23-09
Office
RPD-21