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1
Oct
1979
Technical Reports
Truck Design Optimization Project Phase II: Friction Snubber Force Measurement System (FSFMS) Field Test Report
Subject
Evaluation
Keywords: ASF Ride Control Truck, Barber S-2 Truck, Freight Car Trucks, FSFMS, TDOP
Abstract: This report documents the results of the Friction Snubber Force Measurement System (FSFMS) special road test program that was performed during TDOP Phase II. The FSFMS was...
Report Number
FRA/ORD-79/24
Office
RRD
18
Sep
1979
Technical Reports
Rail-Wheel Geometry Associated with Contact Stress Analysis
Keywords: Railroad trains, Railroad tracks, Vehicle wheels, Geometric surfaces, Contacting, Interfaces, Profiles, Transformations, Rail wheel interactions, MIDSEP computer program, CONFORM computer program
Abstract: This report records the derivation of a number of results pertaining to wheel and rail geometry that are needed for the analysis of contact stresses and rolling-creepage phenomena...
Report Number
DOT/FRA/ORD-78/41
Office
RDI-20
1
Sep
1979
Technical Reports
Effect of Torsional Fastener Resistance on the Lateral Response of a Rail-Tie Structure
Subject
Tracks & Structures
Keywords: Lateral Deformations of Track, Railroad Track Equations, Fastener Rigidity
Abstract: The use of the classical beam bending equations for the analysis of the track response in the lateral plane is of questionable validity; when the used fasteners exhibit a...
Report Number
FRA/ORD-78/35
Office
RRD
1
Sep
1979
Technical Reports
Lateral Resistance of Some New and Relay Red Oak Crossties
Subject
Tracks & Structures
Keywords: Cross Ties, Gage Widening, Lateral Translation
Abstract: To explore the effect of in-service use, comparative lateral resistance tests were performed on eight red oak crossties—four 24-year-old relay (used) ties and four new ties. One...
Report Number
FRA/ORD-79/03
Office
RRD
1
Aug
1979
Technical Reports
Truck Design Optimization Project Phase II- Analytical Tool Assessment Report
Subject
Freight Operations,
Evaluation
Keywords: Freight Car Truck Performance, Freight Car/Truck Dynamics, Linear and Nonlinear Modeling, TDOP Phase II, Rail Car Model Assessment
Abstract: One of the objectives of the Truck Design Optimization Project (TDOP) Phase II is to define the performance of newer Type II freight car truck designs versus the standard, three-...
Report Number
DOT-FR-742-4277
Office
RRD