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6 Nov 1995

Other Reports

A World of Change, Volume 1: FAST/HAL Test Summaries

Author
Association of American Railroads

Subject Facilities & Test Equipment

Keywords: Rail Wear, Rail Grinding, Tie and Fastener Performance, Ballast, Load Path Evaluation

Abstract: [From the Foreword] Welcome to A World of Change: 1st Annual AAR Research Review, November 6-9, 1995. Our four-day event focuses on four aspects of the activities carried out by...

Office
RRD

1 Oct 1995

Other Reports

Technical Memorandum: Broken Rail/Open Switch Point Detection System

Author
Parsons, Brinckerhoff, Quade, & Douglas, Inc.

Subject Facilities & Test Equipment

Keywords: Transportation Test Center, Track Geometry, Catenary Systems

Abstract: In the fall of 1993, an assessment was made of the existing conditions on the Railroad Test Track (RTT) at the Transportation Technology Center in Pueblo, Colorado with the...

Office
RRD

1 Oct 1994

Technical Reports

Heavy Axle Load Track Gage Widening Tests by Using the Track Loading Vehicle

Author
Satya P. Singh, Anne B. Hazell, Semih F. Kalay

Subject Facilities & Test Equipment

Keywords: Hard/Softwood Ties, Concrete Ties, Azobe Ties, Cut Spikes, Elastic Spikes, Pandrol, Safelock, Fasteners, L/V Ratio, Revenue, Track Compliance

Abstract: The TLV was used to conducted a series of static and dynamic gage widening tests. The tests were conducted over the High-Tonnage Loop at the AAR's Facility for Accelerated Service...

Report Number
R-873
Office
RRD

1 Aug 1994

Technical Reports

Roller Bearing Failure Mechanisms Research

Author
Robert L. Florom

Subject Facilities & Test Equipment

Keywords: Wayside Detection, Hot Bearing Detection, Acoustic Emissions, Grooved Axle Journal, Brinnel, Spall

Abstract: Mechanisms that cause roller bearing failure are not well understood and were the subject of a research program conducted by the Association of American Railroads (AAR),...

Report Number
DOT/FRA/ORD-94/21
Office
RRD

1 Jun 1994

Technical Reports

Fundamental Track Gage Widening Tests Using the Track Loading Vehicle

Author
W. P. O'Donnell, A. B. Hazell, Semih Kalay

Subject Facilities & Test Equipment

Keywords: Wheel Drop Derailments, Derailment Criteria, Rail Rollover, Lateral Load Severity, Projected Load Gage, Extrapolation Factors, Lateral Track Strength

Abstract: In early 1991, a series of fundamental track gage widening tests were conducted at the Transportation Test Center. Tests, using the Track Loading Vehicle (TLV), were performed to...

Report Number
R-862
Office
RRD