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1
Dec
1979
Technical Reports
Evaluation of Signal/Control System Equipment and Technology: Task 3 - Standardization, Signal Types, Titles
Subject
Signal and Train Control
Keywords: Track Circuits, Cab Signaling, Traffic Control Systems
Abstract: This report analyzes and summarizes current signal types and associated aspects, titles and indications employed by U. S. Railroads over which Amtrak operates as well as by...
Report Number
FRA/ORD—78/39.3
Office
RRD
1
Jul
1979
Technical Reports
User's Guide to Fatigue Life Analysis Program (FLAP)
Subject
Technology Transfer
Keywords: Freight Car Design, Fatigue Design, Computer Program
Abstract: This guide documents the use of the Fatigue Life Analysis Program which is intended for use in the implementation of the Interim AAR Guidelines for Fatigue Analysis of Freight...
Report Number
R-273
Office
RRD
1
Mar
1979
Technical Reports
Modern Concrete Crosstie Practice in France and Mexico
Subject
Technology Transfer
Keywords: Concrete Crossties, Crosstie Fabrication, Failure Inducing Conditions, Performance Requirements, Concrete Constituent Analyses
Abstract: Considered briefly is the history of concrete crosstie development in France. Failure of some crossties in 1973 led to a determination of the failure modes and a rigorous analysis...
Report Number
FRA/ORD- 79/02
Office
RRD
1
Jan
1979
Technical Reports
Evaluation of Improved Track Structural Components Under Sub-Arctic Conditions
Subject
Evaluation,
Technology Transfer
Keywords: Adjustable Rail Fasteners, Concrete Ties, Stabilized Ballast, Sub-arctic Conditions
Abstract: One area of concern to railroads in the northern third of the United States is the effect of frost heave and subsidence on track geometry. The purpose of this study was to...
Report Number
FRA/ORD-79/01
Office
RRD
1
Jan
1979
Other Reports
Evaluation of Signal/Control System Equipment and Technology: Task 2 - Status of Present Signal/Control Equipment
Subject
Signal and Train Control
Keywords: Intercity Rail, Amtrak, System Comparisons
Abstract: [From the Preface] This report results from research supported by the Department of Transportation, Federal Railroad Administration, Office of Research and Development, for the...
Report Number
FRA/ORD-78/39.2
Office
RRD