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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?
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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.

21 Aug 2023

Research Results

Summary of Charpy and Dynamic Tear Testing of Bolster Samples

Author
Federal Railroad Administration

Subject Rolling Stock

Keywords: Charpy, dynamic tear, bolster, side frame, brittle failure

Abstract:

The Federal Railroad Administration (FRA) collaborates with the Association of American Railroads’ (AAR) Coupling System and Truck Castings Committee and Transportation...

Report Number
RR 23-12
Office
RDI-22

21 Aug 2023

Research Results

Investigation of Radiography Technology for Bolster and Side Frame Inspections

Author
Federal Railroad Administration

Subject Rolling Stock

Keywords: Radiography, grade B+, nondestructive testing, NDT, casting defects

Abstract:

Information about inhomogeneous areas in castings before they leave the manufacturer could provide useful information for manufacturers and customers. Some of this information...

Report Number
RR 23-13
Office
RDI-22

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

12 May 2023

Research Results

Office Safety Checker for Moving Block Train Control Systems

Author
Federal Railroad Administration

Subject Communications, Train Control

Keywords: Quasi-Moving Block (QMB), Full-Moving Block (FMB), Positive Train Control (PTC)

Abstract:

As part of a research project sponsored by FRA between June 2020 and May 2022, TTCI developed and analyzed a concept for the Office Safety Checker (OSC) component of the Moving...

Report Number
RR 23-04
Office
RRS-23