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1
Jul
1978
Technical Reports
Correlation of Statistical Representations of Track Geometry with Physical Appearance
Subject
Track
Keywords: Track Geometry, Track Irregularities, Track Maintenance Practices
Abstract: Railway track has previously been represented as a random process with certain parameters that relate to the quality of the track. This report helps to make these parameters more...
Report Number
FRA/ORD-79/35
Office
RRD
1
Jun
1978
Technical Reports
Summary Report-Ballast and Foundation Materials Research Program
Subject
Track,
Tracks & Structures
Keywords: Ballast, Subgrade, Conventional Railway Track Support ystem, Finite Element Method, Ballast Cost
Abstract: This report constitutes a summary of the results of the various phases of the Ballast and Foundation Materials Research Program. Data and information obtained from the technical...
Report Number
FRA/ORD-78/10
Office
RRD
1
Feb
1978
Technical Reports
Development of Techniques and Data for Evaluating Ride Quality Volume II: Ride Quality Research
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
Aug
1977
Technical Reports
Lateral Resistance of Railroad Track
Subject
Evaluation,
Track
Keywords: Panel, Concrete, Wood, Yield Force, Displacement, Transducer
Abstract: Within the "broader scope of research activities dealing with lateral track resistance sponsored by the Federal Railroad Administration, the Sahot test carried out by Chessie...
Report Number
FRA/ORD-77/41
Office
RRD
1
Jul
1977
Technical Reports
Lateral Stability of Ballast - Ballast and Foundation Materials Research Program
Subject
Track,
Tracks & Structures
Keywords: Ballast, Ballast Testing, Lateral Stability, Ties, Ballast Shoulder Railroad Track
Abstract: This report presents the results of the lateral stability study of the Ballast and Foundation Materials Research Program. Full-scale lateral stability tests were conducted with a...
Report Number
FRA/ORD-77/61
Office
RRD