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.
- Document is historical and has been removed from library to avoid confusion with current publications.
- 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.
Technical Reports
Ballast and Subgrade Requirements Study: Railroad Track Substructure – Materials Evaluation and Stabilization Practices
Keywords: Railroad Track; Ballast; Subgrade; Sub-ballast; Substructure; Field Tests; Laboratory Tests; Performance
Abstract:
Earth materials--i.e., soil and rock--form the substructure of all railroad track. In this report, the functions and performance characteristics of each of the substructure...
Technical Reports
Ballast and Subgrade Requirements Study: Railroad Track Substructure – Design and Performance Evaluation Practices
Keywords: Railroad Track; Ballast; Subgrade; Subballast; Substructure; Design; Analysis; Performance and Evaluation; Analytical Models; Permanent Deformation; Lateral Loads
Abstract: Earth Materials- i.e., soil and rock- form the substructure (ballast, subballast, and subgrade) of all railroad track. In this report, the most suitable technology and design...
Technical Reports
Ballast and Subgrade Requirements Study: Summary and Assessment Report
Keywords: Subballast, Substructure, Design, Performance and Evaluation, Field Tests, Laboratory Tests
Abstract: Earth materials - i.e. soil and rock - form the substructure of all railroad track. In this report a summary and assessment is presented with respect to current and available...
Technical Reports
Parametric Studies on Lateral Stability of Welded Rail Track
Keywords: Track buckling, buckling, welded track
Abstract: Thermal buckling of railroad tracks in the lateral plane is an important problem in the design and maintenance of continuous welded rails (CWR). The severity of the problem is...
Technical Reports
Determination of Residual Stresses in Rails
Keywords: Fatigue, Rail stress
Abstract: A destructive sectioning technique for measuring the complete three-dimensional residual stresses in a rail cross section was developed. The technique was applied to four tangent...