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The FRA eLibrary contains all the documents that are found throughout the FRA Public Website. Multiple pages on the website may link to the same eLibrary item based on its set of metatdata.
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- Document resides on an external site for the record of source, links to the document are provided in context but not in the library as FRA does not maintain this record. This document lives on another website.
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1
Mar
1999
Technical Reports
Human Factors Phase IV: Dynamic Risk Estimation Using the Safety State Model
Subject
Human Factors
Keywords: Automation, High-Speed Trains, Markov Modeling, Risk Estimation, Supervisory Controls, Safety
Abstract: This report covers the theoretical development of the safety state model for railroad operations. Using data from a control automation experiment, experimental applications of the...
Office
RRD
16
Feb
1999
Other Reports
Demonstration of High Speed Track Maintenance Using Objective Gage Strength Data
Subject
Track
Keywords: GRMS, Track Strength Quality Indices, Loaded Gage
Abstract: This report presents the results of the FRA sponsored project “Demonstration of High Speed Track Maintenance Using Objective Gage Strength Data”. This activity, which is part of...
Office
RRD
1
Feb
1999
Technical Reports
Risk/Benefit Assessment of Delayed Action Concept for Rail Inspection
Subject
Track,
Tracks & Structures,
Track/Train Interactions
Keywords: Crack growth; damage tolerance, delayed action; Monte Carlo method; non-destructive inspection; rail inspection; risk/benefit assessment
Abstract: A Monte Carlo simulation of certain aspects of rail inspection is presented. The simulation is used to investigate alternative practices in railroad rail inspection programs....
Report Number
DOT/FRA/ORD-99/03
Office
RRD
1
Feb
1999
Technical Reports
Experimental Determination of Release Fields in Cut Railroad Car Wheels
Keywords: Railroad wheels; Residual stress; Moire interferometry
Abstract: A new approach to the measurement of residual stresses in railroad wheels is investigated using a saw cut method of releasing stresses in the structure. High-sensitivity moire...
Report Number
DOT/FRA/ORD-97/06
Office
RDI-20
1
Jan
1999
Reports to Congress
The Department of Transportation on Civilian Use of the Global Positioning System (GPS): The Nationwide Differential Global Positioning System and Additional Civilian GPS Signals
Subject
Intelligent Railroad Systems
Keywords: NGPS, Department of Defense, Railroad Technology
Abstract: The U.S. Department of Transportation (DOT), in its role as the lead agency within the U.S. Government for all Federal civilian Global Positioning System (GPS) matters, is...