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1
Nov
1985
Technical Reports
Influence of Vehicle Induced Loads on the Lateral Stability of CWR Track
Keywords: Track Buckling; Track Lateral Stability; Dynamic Buckling; Buckling Analysis; Continuous Welded Rail (CWR).
Abstract: Thermal buckling of railroad tracks in the lateral plane is an important problem in the design and maintenance of continuous welded rail track (CWR). The severity of the problem...
Report Number
DOT/FRA/ORD-85/03
Office
RDI-20
1
Nov
1985
Technical Reports
Conductive Interference in Rapid Transit Signaling Systems, Volume I: Theory and Data
Subject
Signal and Train Control
Keywords: Circuits, Impedance, Propulsion Systems, Signaling Equipment, Substations
Abstract: The purpose of this report is to summarize the results of a comprehensive program that has been pursued to delineate all aspects of conductive interference (Cl) in rail transit...
Report Number
UMTA-MA-06-0153-85-5
Office
RRD
1
Oct
1985
Technical Reports
1985 Track Survey: National Railroad Passenger Corporation (Amtrak)
Subject
Track/Train Interactions
Keywords: track gage, cross level, wrap, profile, alignment, curvature
Abstract: From September through December 1984, the FRA conducted an intensive survey of all mainline track utilized by Amtrak (see fig. 1). Three automated track geometry railcars -- the...
Office
RRD
1
Sep
1985
Technical Reports
Laboratory Testing on Three Alternative Track Structures
Subject
Tracks & Structures
Keywords: Gage Widening, Lateral Track Resistance, Vertical Track Modulus
Abstract: Laboratory track strength characterization tests on three different track structures were conducted. The objectives of these tests were to determine the structural...
Report Number
R-614
Office
RRD
1
Jul
1985
Technical Reports
Analytic Studies of the Effects of Track Geometry Variation
Subject
Safety Performance Measures
Keywords: Computer Simulation, Mathematical Dynamic Curving, Hunting, Wheel/Rail Forces, Profiles, Derailment, Track Geometry, Track Safety Standards
Abstract: In this report, analyses are described which were used to aid in the planning of tests carried out on track in Bennington, New Hampshire in August 1982. These tests were designed...
Report Number
DOT/FRA/ORD-85-01
Office
RRD