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1
Aug
1975
Technical Reports
Parametric Analyis of Railway Line Capacity
Subject
Operating Practices
Keywords: Railroad Operations, Simulation Models
Abstract: The problem of analyzing the capability of a rail line to absorb additional traffic has become increasingly important recently as various means of consolidating and expanding...
Report Number
FRA-OPPD-75-1
Office
RRD
1
Jul
1975
Technical Reports
Describing Function Techniques for the Non-Linear Analysis of the Dynamics of a Rail Vehicle Wheelset
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
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
Technical Reports
A Communication-Link Approach to Actuation of Grade-Crossing Motorist-Warning Systems
Subject
Grade Crossing Technology,
Highway-Rail Grade Crossing Warning Systems
Keywords: Grade-Crossing Warning Systems, Railraod-Highway Grade Crossings, Telemetry Systems
Abstract: This report explores the possibility of using radio waves, rather than track circuits, to activate grade crossing warning signals and discusses field tests of this concept.
Report Number
FRA-OR&D-75-80
Office
RRD
1
Jul
1975
Other Reports
Factors in Lightweight Guideway Design and Costing
Subject
Tracks & Structures
Keywords: Weight Reduction, Pier Spacing, Cost Estimation
Abstract: The effect of lightweight guideway design on ride quality is examined. Results for a particular vehicle/guideway system show that ride quality can be maintained while beam weight...
Report Number
MTR-6969
Office
RRD