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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 Jun 1978

Technical Reports

Track Structure Design Using Mathematical Models

Author
W. So

Subject Tracks & Structures

Keywords: Ballast, Fasteners, Mathematical Models, Rail Stress, Track Design, Track Structures

Abstract: The objective of the report is to demonstrate the use of mathematical track structure models in the development of design charts. The f110dels have been developed in Task 1,...

Report Number
FRA/ORD-78/08
Office
RRD

1 May 1978

Technical Reports

Draft Gear/Cushioning Unit Optimization for Train Action - Interim Report

Author
N. A. Morella, S. K. Punwani, M. A. Scott, K. L. Shum

Subject Tracks & Structures

Keywords: Buff, Train Action, Cushioning, Couple Force, Modeling, Simulation, Optimization

Abstract: This interim report describes the work done to date under Task 5 - Draft Gear/Cushioning Unit Optimization of the Track Train Dynamics program. Existing analysis tools for...

Report Number
R-308
Office
RRD

1 Feb 1978

Technical Reports

Development of Techniques and Data for Evaluating Ride Quality Volume II: Ride Quality Research

Author
Federal Railroad Administration; R.D. Pepler; L.L Vallerie; I.D. Jacobson; R.W. Barber; L.G. Richards

Subject Passenger Rail, Track, Tracks & Structures, Track/Train Interactions

Keywords: Ride quality, Passenger comfort

Abstract: Ride-quality models for city buses and intercity trains are presented and discussed in terms of their ability to predict passenger comfort and ride acceptability. This, the second...

Report Number
DOT-TS-RSPD-77-1. II

1 Dec 1977

Technical Reports

FAST Ballast and Subgrade Materials Evaluation - Ballast and Foundation Materials Research Program

Author
M. R. Thompson

Subject Tracks & Structures, Evaluation

Keywords: Subgrade, Ballast Performance, Conventional Railway Track Support System, Materials Testing, Material Properties

Abstract: The ballast, subballast, and subgrade materials from the FAST Project at Pueblo, Colorado were evaluated. Conventional characterization testing and repeated load triaxial testing...

Report Number
FRA/ORD-77/32
Office
RRD

1 Dec 1977

Technical Reports

Refurbishment of Railroad Crossties: a Technical and Economic Analysis

Author
A. V. Loomis, T. Anyos

Subject Tracks & Structures

Keywords: Wood Refurbishment, Crosstie Reuse, Tie Deterioration

Abstract: An analysis of the principal modes of failure for wooden railroad crossties was conducted and an evaluation of the technical and economic feasibility of refurbishing these ties...

Report Number
FRA/ORD-77/76
Office
RRD