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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
Jan
1999
Technical Reports
Freight Car Reflectorization
Subject
Freight Operations,
Grade Crossing Technology,
Highway-Rail Grade Crossing Warning Systems,
Highway-Rail Grade Crossings,
Human Factors
Keywords: Highway-railroad crossing safety; Railroad safety research; Conspicuity; Visibility; Retroreflective
Abstract: Researchers evaluated the detectability of several designs of freight car retroreflectors to enhance train visibility using human factors testing.
Report Number
DOT/FRA/ORD-98/11
Office
RRD
1
Dec
1998
Technical Reports
Estimation of Rail Wear Limits Based on Rail Strength Investigations
Subject
Track,
Tracks & Structures,
Track/Train Interactions
Keywords: detail fracture, dynamic load factor, fracture mechanics, fracture strength, gage-face wear,
Abstract: This report describes analyses performed to estimate limits on rail wear based on strength investigations. Two different failure modes are considered in this report: (1) permanent...
Report Number
DOT/FRA/ORD-98/07
Office
RRD
1
Jun
1998
Technical Reports
Field Evaluation of a Wayside Horn at a Highway-Railroad Grade Crossing
Subject
Freight Operations,
Grade Crossing Technology,
Highway-Rail Grade Crossing Warning Systems,
Highway-Rail Grade Crossings,
Human Factors
Keywords: auditory warning, community noise impact, highway-railroad grade crossings, safety, train horn,
Abstract: This report examines whether the use of a stationary horn at grade crossings reduces community noise impacts or affects motorist safety.
Report Number
DOT/FRA/ORD-98/04
Office
RRD
1
Mar
1998
Technical Reports
Feasibility Study on the Replacement or Upgrade of the T-6 Track Research Vehicle
Subject
Track,
Tracks & Structures,
Track/Train Interactions
Keywords: Track geometry, track stiffness
Abstract: This feasibility and cost study concluded that the FRA's aging T-6 can be replaced with a new state-of-the-art research platform costing approximately 3.5 million. The new, Track...
Report Number
DOT/FRA/ORD-98/02
Office
RRD