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1
Oct
1981
Technical Reports
Railroad Yard Simulation Model: Description and Computer Program Users' Manual
Subject
Braking Systems
Keywords: Braking and Coupling Systems, Cost/Benefit Analysis, Freight Cars
Abstract: This report is part of a larger study to identify potentially cost-effective advanced braking and coupling systems. The report describes a model for determining the cost...
Report Number
FRA/ORD-81/25.I
Office
RRD
1
Oct
1981
Technical Reports
The Effect of Service Loading on the Bending Strength of Concrete Ties
Subject
Tracks & Structures
Keywords: Crack Propagation, Bending Moment, Structural Crack, Ultimate Load
Abstract: Concrete tie bending strength tests were conducted by Battelle-Columbus Laboratories at Columbus, Ohio, as part of the Tie and Fastener Verification Studies contract (DOT-FRA-1652...
Report Number
FRA/TTC-81/11
Office
RRD
1
Sep
1981
Technical Reports
Railroad Classification Yard Technology-Computer System Methodology: Case Study… Potomac Yard
Subject
Freight Operations
Keywords: Classifiaction yard, Computers, Design, Operations, Performance, Evaluation, Hardware, Cost
Abstract: This report documents the application of the railroad classification yard computer system methodology to Potomac Yard of the Richmond, Fredericksburg, and Potomac Railroad Company...
Report Number
FRA/ORD-81/61
1
Sep
1981
Technical Reports
Evaluation of Signal/Control System Equipment and Technology: Task 7 - Summary and Final Report
Subject
Signal and Train Control
Keywords: Train Control, Electrification, Electromagnetic Interference
Abstract: This report describes the objectives and procedures of the evaluation. It then summarizes the findings contained in each of six task reports. Those published reports are: Task 1:...
Report Number
FRA/ORD-78/39.7
Office
RRD
1
Sep
1981
Technical Reports
The Wear Behavior of High Rails Tested in the First Metallurgy Experiment, 0 to 135 MGT
Subject
Facilities & Test Equipment,
Track/Train Interactions
Keywords: High Silicon, Standard Carbon, Head Hardened, Chrome Molybdenum, Position-in-Curve, Tie Plate Cant, Profilometer, Chemistry, Curvature
Abstract: In the first rail metallurgy experiment, covering the period from September 1976 to September 1977, 135 million gross tons (MGT) of traffic were accumulated on the Facility for...
Report Number
FRA/TTC-81/04
Office
RRD