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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 Jul 1975

Technical Reports

Describing Function Techniques for the Non-Linear Analysis of the Dynamics of a Rail Vehicle Wheelset

Author
Devendra P. Garg

Subject Evaluation

Keywords: Rail Systems Dynamics, Describing Function Analysis, Hunting

Abstract: The describing function method of analysis is applied to investigate the influence of parametric variations on wheelset critical velocity. In addition, the relationship between...

Report Number
FRA-OR&D-75-83
Office
RRD

1 Jul 1975

Technical Reports

Metroliner Truck Test

Author
Ensco, Inc.

Subject Evaluation

Keywords: Ride Quality, Lateral Acceleration, Vertical Acceleration, International Standardization Organization

Abstract: This report contains the results of a comparison of ride quality data collected on Metroliner Cars 850 and 855. The comparison is made in terms of standard deviations and peak...

Report Number
DOT-FR-75-12
Office
RRD

1 Jul 1975

Other Reports

Metroliner Truck Test RG-125.1: Ride Quality Analysis

Author
ENSCO, INC.

Subject Evaluation

Keywords: Ride Quality Standard, Ride Evaluation Format, Acceleration

Abstract:

This report contains the results of a comparison of ride quality data collected on Metroliner Cars 850 and 855. The comparison is made in terms of standard deviations and peak...

Report Number
DOT-FR-75-12
Office
RRD

1 Jul 1975

Technical Reports

Technical Data Bases Report - Ballast and Foundation Materials Research Program

Author
Q. L. Robnett, M. R. Thompson, W. W. Hay

Subject Evaluation

Keywords: Sub-ballast, Subgrade, Material Testing, Material Properties, Structural Behavior Models

Abstract:

Literature and other information sources pertaining to properties of granular materials, ballast and sub-ballast materials, fine-grained soils, and structural behavior models...

Report Number
FRA/OR&D-76-138
Office
RRD

1 Apr 1975

Technical Reports

A Review of Rail-Wheel Contact Stress Problems

Author
Burton Paul

Subject Evaluation

Keywords: Rail Failure, Residual Stress, Rolling Friction Stress Analysis, Contact Stress

Abstract: From its earliest days, railroad technology has been limited by an inadequate understanding of the mechanics of load transfer between wheel and rail. It is the purpose of this...

Report Number
DOT/FRA/ORD-76/141
Office
RRD