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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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1 Sep 1988

Technical Reports

Railroad Rail Flaw Detection System Based on Electromagnetic Acoustic Transducers

Author
George A. Alers

Subject Tracks & Structures

Keywords: EMAT, ultrasonic inspection

Abstract: This report describes the design, construction and preliminary testing of an ultrasonic inspection vehicle intended for the detection of flaws in railroad tracks that are in...

Report Number
DOT/FRA/ORD-88/09
Office
RRD

1 Nov 1986

Technical Reports

Experimental Investigations of Dynamic Buckling of CWR Tracks

Author
Federal Railroad Administration; G. Samavedam; A. Kish; D. Jeong

Subject Track, Tracks & Structures, Track/Train Interactions

Keywords: Track buckling, buckling, welded track

Abstract: Thermal Buclking of railroad tracks in the lateral plane is an important problem in the design and maintenance of continous welded rail (CWR) tracks. The severity of the problem...

Report Number
DOT/FRA/ORD-86/07
Office
RRD

1 Feb 1986

Technical Reports

Wheel Unloading of Rail Vehicles Due to Track Twist

Author
D. Tyrell, H. Weinstock, R. Greif

Subject Tracks & Structures

Keywords: nadal's limit

Abstract: An analysis is presented describing the effect that track twist has on the loads carried by the wheels of a rail car. Wheel unloading is determined as a function of the difference...

Report Number
DOT/FRNORD-85/14
Office
RRD

1 Nov 1985

Other Reports

Composite Wood Tie Performance Report

Author
Nancy Blume Lightfoot

Subject Tracks & Structures

Abstract: Testing (FAST) Composite Wood Tie Performance Evaluation performed at the Transportation Test Center (TTC) near Pueblo, Colorado. The purpose of the evaluation was to compare the...

Report Number
TTC-027
Office
RRD

1 Sep 1985

Technical Reports

Laboratory Testing on Three Alternative Track Structures

Author
John Choros

Subject Tracks & Structures

Keywords: Gage Widening, Lateral Track Resistance, Vertical Track Modulus

Abstract:

Laboratory track strength characterization tests on three different track structures were conducted. The objectives of these tests were to determine the structural...

Report Number
R-614
Office
RRD