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1
Feb
1980
Technical Reports
Measurements of Wheel/Rail Loads on Class 5 Track
Subject
Evaluation,
Track/Train Interactions
Keywords: Load Measurement Techniques, Flat Wheel Impact Loads, Rail Joint Impact Loads, Statistical Description
Abstract: Measurements have been made on two tangent test sections and a curved test section to characterize the wheel/rail load environment on Class 5 track. The tangent-track test...
Report Number
FRA/ORD-80/19
Office
RRD
1
Dec
1979
Technical Reports
Track Stiffness Measurment System Evaluation Program
Subject
Track,
Tracks & Structures,
Track/Train Interactions
Keywords: Bridge Stiffness, Measurement
Abstract: This report describes a three-phase program to devlop and evaluate an on-board, track stiffness measurment system. High correlation has been established between observed...
Report Number
FRA/ORD-79/30
Office
RRD
1
Dec
1979
Technical Reports
Nondestructive Techniques for Measuring the Longitudinal Force in Rails: Proceedings of a Joint Government-Industry Conference held in Washington, D. C., Februrary 26-27, 1979
Subject
Tracks & Structures,
Track/Train Interactions
Keywords: Railroad Research, Materials Science, Track Buckling Stresses
Abstract: The Conference on Nondestructive Techniques for Measuring the Longitudinal Force in Rails consisted of an introductory session followed by three major sessions on ultrasonic...
Report Number
FRA/ORD-80/50
1
Nov
1979
Technical Reports
Methodology for Evaluation the Cost and Benefit of Advanced Braking and Coupling Systems
Subject
Track/Train Interactions,
Evaluation
Keywords: Braking and Coupling Systems, Coast and Benefit Analysis, Freight Cars
Abstract: This report presents a quantitative methodology for evaluating the costs and benefits of advanced railroad braking and coupling systems. Starting with a specification of the...
Report Number
FRA/ORD 79/57
Office
RRD
1
Jul
1979
Technical Reports
Numerical Determination of Contact Pressures Between Closely Conforming Wheels and Rails
Subject
Track/Train Interactions
Keywords: Rail Wheel Interaction, Contact Stress, Conformal Contact, elasticity, Non-Hertzian Contact
Abstract: A numerical method is developed for the determination of the contact pressure that arises when two elastic bodies with closely conforming non-Hertzian frictionless surfaces are...
Report Number
FRA/ORD-79/41
Office
RRD