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1 Nov 2005

Technical Reports

Investigation of Cracks in Acela Coach Car Brake Discs: Test and Analysis Volume II - Appendices

Author
Sherrock, Eric T.; Owings, Raymond; Clemenzi, Jacinda L.; and Kesler, Kevin

Keywords: Brake disc, cracked spoke, Acela brake disc, center and outer brake discs, WABTEC/SAB-WABCO supplied brake disc, Knorr brake disc, out-of-plane

Abstract:

In April 2005, visual and laboratory tests identified cracks in the spokes of several brake discs on coach cars within Amtrak’s Acela trainsets, the high-speed trainsets...

Report Number
DOT/FRA/ORD-06/07.II
Office
RRD

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