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1
Mar
1979
Technical Reports
Modern Concrete Crosstie Practice in France and Mexico
Subject
Technology Transfer
Keywords: Concrete Crossties, Crosstie Fabrication, Failure Inducing Conditions, Performance Requirements, Concrete Constituent Analyses
Abstract: Considered briefly is the history of concrete crosstie development in France. Failure of some crossties in 1973 led to a determination of the failure modes and a rigorous analysis...
Report Number
FRA/ORD- 79/02
Office
RRD
1
Feb
1979
Technical Reports
VSS Demonstration Program: Part 2 - Model Development and Analysis
Subject
Evaluation
Keywords: Vertical Shaking System, TOFC, Wheel/Rail Interface, Vertical Input, Cross Level Input, Discrete Frequency Dwell and Decay, Cross-Coupling, Analytical Model Development
Abstract: The Vertical Shaker System (VSS) was the initial test program conducted at the Rail Dynamics Laboratory. The objectives of this program were to demonstrate the performance and...
Report Number
FRA/ORD-78/43A
1
Dec
1978
Technical Reports
An Evaluation of Performance Requirements for Cross Ties and Fasteners
Subject
Evaluation,
Tracks & Structures
Keywords: Track Loading, Track Design, Concrete Cross Ties, Crossties, Track Components, Rail Fasteners, Steel Cross Ties, Tie Specification
Abstract: This report was prepared as part of the Improved Track Structures Research Program managed by the Transportation Systems Center. This program is sponsored by the Office of Rail...
Report Number
FRA/ORD-78/37
Office
RDI-22
1
Sep
1978
Technical Reports
Summary Statistics of the National Railroad-Highway Crossing Inventory for Public At-Grade Crossings : Second Edition
Subject
Best Practices,
Grade Crossing Modeling and Simulation,
Highway-Rail Grade Crossings
Abstract: This report presents statistical summaries of characteristics for public grade crossings as of May 1978 to aid in funding allocation for future crossing improvements.
Report Number
FRA-OPPD-78-20; DOT-TSC-FRA-78-19
Office
RRD
1
Aug
1978
Technical Reports
Economics of Concrete- and Wood-Tie Track Structure
Subject
Tracks & Structures,
Evaluation
Keywords: Concrete Cross Ties, Crossties, Wood Ties, Track Components, Track Construction Costs, Cross Tie Economics
Abstract: This report presents results from an evaluation of the economic benefits of concrete- versus wood-tie track. The analysis includes the life-cycle capital, maintenance, and renewal...
Report Number
FRA/ORD-78/2
Office
RDI-22