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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 Oct 2005

Technical Reports

Ground Penetrating Radar for Railroad Track Substructure Evaluation

Author
J.P. Hyslip (1). G.R. Olhoeft(2), S.S. Smith(3), E.T. Selig(4)

Keywords: Railroad, substructure, ground penetrating radar, track maintenance, ballast, subballast, subgrade, non-destructive testing

Abstract: This report presents the results of the first three phases of a multiphase project to adapt Ground Penetrating Radar (GPR) to railroads for use in developing useful indices of...

Report Number
DOT/FRA/ORD-05/04
Office
RRD

1 Oct 2005

Technical Reports

Development of a Distance Based Criterion for Flange Climbing Derailment

Author
John Tunna, Xinggauo Shu, Huimin Wu, Nicholas Wilson

Subject Tracks & Structures

Keywords: NUCARS, AREMA 136 RE Rails, Bi-Parameter Flange Climbing, Track Loading Vehicle

Abstract: A bi-parameter flange climbing distance criterion is developed for vehicles with AAR-IB wheels running on a new AREMA 136 RE rail. The two parameter that affect flange climbing...

Report Number
R-975
Office
RRD

1 Aug 2005

Technical Reports

Fiberglass Wrapped Tie Performance Evaluation Report

Author
Joe LoPresti

Keywords: Heavy axle load, fiberglass wrapped ties, tie plates, anchors, and metal cover plates

Abstract: Forty-two fiberglass fabric wrapped, solid-sawn wood ties during 300 million gross tons (MGT) of heavy axle load (HAL) traffic and eight fiberglass fabric wrapped ties with metal...

Report Number
DOT/FRA/ORD-05/01
Office
RRD

1 Jul 2005

Technical Reports

Preview Information in Cab Displays for High-Speed Locomotives

Author
Jay Einhorn, Thomas Sheridan, and Jordan Multer

Keywords: attention allocation, automation, high-speed trains, human-in-the-loop simulation, intelligent

Abstract: This research examined the usefulness of preview information in the control of high-speed trains. Experiments were run on a human-in-the-loop locomotive simulator. The primary...

Report Number
DOT/FRA/ORD-04/12
Office
RRD

1 Jul 2005

Technical Reports

Effects of Supervisory Train Control Technology on Operator Attention

Author
Helias Marinakos, Thomas Sheridan, and Jordan Multer

Keywords: attention allocation, automation, high-speed trains, situation awareness, train control technology,

Abstract: This report describes an experiment evaluating the effects of supervisory control automation on attention allocation while operating a train. The study compared two levels of...

Report Number
DOT/FRA/ORD-04/10
Office
RRD