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1
Sep
1977
Technical Reports
Track Structures Performance - Comparative Analysis of Specific Systems and Component Performance.
Keywords: Railroad tracks; Railroad ties; Railroad ballast ; Accelerated tests; Anchors(Fasteners); Subgrades; Wear resistance; FAST program
Abstract: This report presents analyses of data, up to 50 million gross tons of traffic, from the Facility for Accelerated Service Testing (FAST). These analyses include concrete and wood...
Report Number
DOT/FRA/ORD-77/29
Office
RDI-20
1
Aug
1977
Technical Reports
Development of a System to Display and Record Slack Action in Freight Trains
Subject
Freight Operations
Keywords: Draft-Buff, Train Handling, Train Dynamics, Locomotive Operation
Abstract: This report summarizes the development of a system which senses, displays and records the slack action or inter-car movement in freight trains. The system, called the Draft-...
Report Number
FRA/ORD-77-53
Office
RRD
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
Aug
1977
Technical Reports
Theoretical Manual and Users' Guide for COMET-X
Subject
Evaluation
Keywords: Finite Elements, Stress Analysis, Computer Program, Fracture Mechanics
Abstract: COMET-X is the experimental prototype of an advanced finite element software system. The distinguishing feature of COMET-X is that the user controls the order of polynomial...
Report Number
R-340
Office
RRD
1
Jul
1977
Technical Reports
Laboratory Investigation of Prestressed Concrete Crossties and Fasteners Manufactured in the U.S.S.R.
Subject
Technology Transfer
Keywords: Concrete Crosstie, Tie Fastener
Abstract: Soviet manufactured pre-stressed concrete crossties and fasteners were tested using AREA Bulletin 655 as a guide. The ties were subjected to the following tests: Rail Seat (...
Report Number
LT-431
Office
RRD