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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.

1 Jul 1999

Technical Reports

Experimental 3-D Residual Stress Measurement in Rails via Thermal Annealing

Author
Federal Railroad Administration

Keywords: heat treatment; interferometry; rail grinding; residual stress; stress relief; thermal annealing

Abstract: This report describes a novel method to determine three-dimensional (3-D) residual stresses in railroad rails. The method uses Moire and Twyman/Green interferometry to measure the...

Report Number
DOT/FRA/ORD-99/04
Office
RDI-20

1 Jul 1999

Technical Reports

Vehicle/Track Interaction Tests on Heavy Tonnage Loop

Author
Dingqing Li, Lamont Smith

Subject Track/Train Interactions

Keywords: Heavy Axle Load, HAL, Vehicles Responses, Track Geometry Conditions

Abstract: Two vehicle/track interaction tests were conducted by Transportation Technology Center, Inc. (TTCI) at the Facility for Accelerated Service Testing (FAST), Pueblo, Colorado. TTCI...

Report Number
R-932
Office
RRD

1 May 1999

Technical Reports

Automated Measurements of Lateral Track Panel Strength and Examinations of Track Maintenance Effects Using AAR's Track Loading Vehicle

Author
Dingqing Li, William Shust

Subject Track

Keywords: Track Strength Inspection, Stationary and In-Motion Tests, Train Slow-Orders

Abstract: This report summarizes test results and findings under the project "TLV Track Panel Shift and Lateral Track Strength Tests." The project was jointly funded by AAR and FRA. These...

Report Number
R-918
Office
RRD

1 May 1999

Technical Reports

Test and Evaluation of Rail Flaw Detection Technologies

Author
Greg A. Garcia, Richard P. Reiff

Subject Rail and Infrastructure Integrity

Keywords: Nondestructive Inspection, Laser Ultrasonics, Remote Field and Low Frequency Eddy Current Testing, Electromagnetic Acoustic Transducer, Flaw Growth Rate

Abstract:

Internal flaws in rail occur as a consequence of the accumulation of fatigue under repeated loading. Inspection of the rail to detect flaws before they progress to complete...

Report Number
R-934
Office
RRD

1 Mar 1999

Technical Reports

Tank Car Nondestructive Evaluation

Author
Gregory A. Garvis

Subject Evaluation

Keywords: Acoustic Emissions, Liquid Penetrant, Ultrasonics, Visual Testing, Nondestructive Evaluation

Abstract: An evaluation of nondestructive evaluation (NDE) methods, authorized for use in replacing the current hydrostatic pressure test for qualification or re-qualification of railroad...

Office
RRD