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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.

25 Apr 2013

Technical Reports

Research and Development of Ultrasonic Tomography Technology for Three-Dimensional Imaging of Internal Rail Flaws: Modeling and Simulation

Author
Francesco Lanza di Scalea, Faye M. Reynolds, Piervincenzo Rizzo, Salvatore Salamone, and Ivan Bartoli

Subject Track, Tracks & Structures

Keywords: High-speed rail, rail flaws, tomographic imaging, ultrasonic testing, Finite Element Analysis, digital signal processing

Abstract: This report covers the work performed under the FRA High-Speed BAA 2010–2011 program to demonstrate the technology of ultrasonic tomography for 3-D imaging of internal rail flaws...

Report Number
DOT/FRA/ORD-13/20
Office
RRD

22 Mar 2013

Technical Reports

Track Buckling Prevention: Theory, Safety Concepts, and Applications

Author
Andrew Kish, Gopal Samavedam and Leith Al-Nazer

Subject Track, Tracks & Structures, Track/Train Interactions

Keywords: Track Buckling, Lateral Stability, CWR, Buckling Prevention, Buckling Models, CWR Safety and Maintenance, Neutral Temperature, Rail Temperature

Abstract: This report is a part of the John A. Volpe National Transportation Systems Center’s Track Stability Research Program for the Federal Railroad Administration on thermal buckling of...

Report Number
DOT/FRA/ORD-13/16
Office
RRD

22 Feb 2013

Technical Reports

Next-Generation Foundations for Special Trackwork – Phase I

Author
Xinggao Shu, David Davis, and Muhammad Akhtar

Subject Track, Tracks & Structures, Track/Train Interactions

Keywords: Dynamic load environment, special trackwork frog foundations, wheel-rail impact, modeling

Abstract: This report reviews the dynamic load environment and failure modes of special trackwork frog foundations. Key measurements taken under a 39,000-pound wheel load traffic at the...

Report Number
DOT/FRA/ORD-13/10
Office
RRD

22 Feb 2013

Technical Reports

Measurement of Vertical Track Deflection from a Moving Rail Car

Author
Shane Farritor and Mahmood Fateh

Subject Track, Tracks & Structures, Track/Train Interactions

Keywords: Vertical track deflection, track deflection, rail deflection, track measurement system, vertical track modulus, track modulus, track stiffness, track geometry measurement

Abstract: The University of Nebraska has been conducting research sponsored by the Federal Railroad Administration’s Office of Research and Development to develop a system that measures...

Report Number
DOT/FRA/ORD-13/08
Office
RRD

20 Feb 2013

Technical Reports

Characterization of Railroad Bridge Service Interruptions

Author
Richard Joy, Mary Clara Jones, Duane Otter, and Luis Maal

Subject Bridge and Structures Safety, Track, Tracks & Structures, Track/Train Interactions

Keywords: bridge problems, risk control matrix, Railroad Bridge Service Interruption Database

Abstract: The Federal Railroad Administration contracted Transportation Technology Center, Inc., to study bridge problems that cause accidents or service interruptions and to use this...

Report Number
DOT/FRA/ORD-13/05
Office
RRD