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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
Technical Reports
Aerodynamic Forces on Various Configurations of Railroad Cars and Carrying Trailers and Containers
Subject
Facilities & Test Equipment,
Freight Operations,
Evaluation
Keywords: Intermodal, TOFC, PIggyback Aerodynamics, Train Resistance, Wind Tunnel Testing
Abstract: Toward improving the energy efficiency of rail intermodal service, the aerodynamic characteristics of the rolling stock offer a significant opportunity for betterment. At speeds...
Report Number
FRA/ORD-79/39
Office
RRD
1
Jan
1979
Other Reports
Braking and Coupling Systems Design Optimization
Subject
Braking Systems
Keywords: Equipment, Program Review, R&D
Abstract: This program review details the methodology, existing equipment, and innovative concepts in braking and coupling system design.
Report Number
DOT-FR-8091
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
1
Jan
1979
Technical Reports
Track Structures Volume III: Study of Effects of Spiral Length on Simple Curve Negotiation
Subject
Evaluation
Keywords: Coupler Lateral Angle, L/V Ratio, Spiral Length, Superelevation, Buff Force, Mathematical Model
Abstract: Simple curve entries with/or without spiral for different curves are analyzed using the Quasi-Static Lateral Train Stability Model. The effect of spirals on maximum L/V ratios...
Report Number
R-355
Office
RRD