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1 Nov 1976

Technical Reports

A Preliminary Description of Stresses in Railroad Rail

Author
Thomas G. Johns and Kent B. Davies

Subject Rail and Infrastructure Integrity, Track

Keywords: Plastic Flow; Flexural Stresses; Rail; Rail Stress; Stress; Flexural Stresses; Contact Stresses; Plastic Flow;

Abstract: One portion of the Federal Railroad Administration's (FRA) Track Performance Improvement Program is the development of engineering and analytic techniques required for the design...

Report Number
DOT/FRA/ORD-76/294
Office
RDI-20

1 Nov 1976

Technical Reports

A Survey of Alcohol and Drug Abuse Programs in the Railroad Industry

Author
Lyman C. Hitchcock, Mark S. Sanders

Subject Drug and Alcohol Program

Keywords: Alcoholic Rehabilitation Programs, Industrial Alcohol Problems, Alcohol Abuse

Abstract: A survey of 20 industrial alcoholism and counseling programs run by railroad corporations covering 58 variables was made by semi-structured interviews of program directors, union...

Report Number
FRA/OPPD-OR&D 76-283
Office
RRD

1 Nov 1976

Technical Reports

Comparative Analysis of Dynamics of Freight and Passenger Rail Vehicles

Author
Donald R. Ahlbeck, George R. Doyle

Subject Track/Train Interactions

Keywords: Rail Vehicle Dynamics, Computer Modeling, Random Track Geometry, Ride Comfort

Abstract: During the course of this contract, analytical studies have been conducted on several different rail vehicles typical of North American railroad operations mathematical models,...

Report Number
FRA/ORD-77/04
Office
RRD

1 Nov 1976

Technical Reports

Evaluation of Analytical and Experimental Methodologies for the Characterization of Wheel/Rail Loads

Author
Donald R. Ahlbeck, Harold D. Harrison, Robert H. Prause, Milton R. Johnson

Subject Track, Evaluation

Keywords: Track Loading, Track Degradation, Load Measurement Instrumentation

Abstract: This report has been prepared as part of the Improved Track Structures Research Program sponsored by the Office of Rail Safety Research of the Federal Railroad Administration. The...

Report Number
FRA-OR&D-76-276
Office
RRD

1 Oct 1976

Technical Reports

Feasibility of Flaw Detection in Railroad Wheels Using Acoustic Signatures

Author
Nagy K.; Finch, R. D.

Subject Railroad System Oversight

Keywords: Railroad cars, Vehicle wheels, Nondestructive tests, Defects, Acoustic signatures, Cracks, Pattern recognition, Computer printouts, BASIC programming language, ANSYS computer program

Abstract: The feasibility study on the use of acoustic signatures for detection of flaws in railway wheels was conducted with the ultimate objective of development of an intrack device for...

Report Number
DOT-TSC-FRA-76-6; FRA/ORD-76/290
Office
RRD