eLibrary Search
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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25
Apr
2013
Technical Reports
Research and Development of Ultrasonic Tomography Technology for Three-Dimensional Imaging of Internal Rail Flaws: Modeling and Simulation
Subject
Track,
Tracks & Structures
Keywords: High-speed rail, rail flaws, tomographic imaging, ultrasonic testing, Finite Element Analysis, digital signal processing
Abstract: This report covers the work performed under the FRA High-Speed BAA 2010–2011 program to demonstrate the technology of ultrasonic tomography for 3-D imaging of internal rail flaws...
Report Number
DOT/FRA/ORD-13/20
Office
RRD
22
Mar
2013
Technical Reports
Track Buckling Prevention: Theory, Safety Concepts, and Applications
Subject
Track,
Tracks & Structures,
Track/Train Interactions
Keywords: Track Buckling, Lateral Stability, CWR, Buckling Prevention, Buckling Models, CWR Safety and Maintenance, Neutral Temperature, Rail Temperature
Abstract: This report is a part of the John A. Volpe National Transportation Systems Center’s Track Stability Research Program for the Federal Railroad Administration on thermal buckling of...
Report Number
DOT/FRA/ORD-13/16
Office
RRD
22
Mar
2013
Research Results
Developing a Reliable Method for Signal Wire Attachment
Subject
Track,
Track/Train Interactions,
Tracks & Structures
Keywords: Inertia Friction Welding, Signal Wire, Signal Wire Bonding, Rail Wire Interface
Report Number
RR13-13
Office
RDI-21
22
Feb
2013
Technical Reports
Next-Generation Foundations for Special Trackwork – Phase I
Subject
Track,
Tracks & Structures,
Track/Train Interactions
Keywords: Dynamic load environment, special trackwork frog foundations, wheel-rail impact, modeling
Abstract: This report reviews the dynamic load environment and failure modes of special trackwork frog foundations. Key measurements taken under a 39,000-pound wheel load traffic at the...
Report Number
DOT/FRA/ORD-13/10
Office
RRD
22
Feb
2013
Technical Reports
Measurement of Vertical Track Deflection from a Moving Rail Car
Subject
Track,
Tracks & Structures,
Track/Train Interactions
Keywords: Vertical track deflection, track deflection, rail deflection, track measurement system, vertical track modulus, track modulus, track stiffness, track geometry measurement
Abstract: The University of Nebraska has been conducting research sponsored by the Federal Railroad Administration’s Office of Research and Development to develop a system that measures...
Report Number
DOT/FRA/ORD-13/08
Office
RRD
20
Feb
2013
Technical Reports
Characterization of Railroad Bridge Service Interruptions
Subject
Bridge and Structures Safety,
Track,
Tracks & Structures,
Track/Train Interactions
Keywords: bridge problems, risk control matrix, Railroad Bridge Service Interruption Database
Abstract: The Federal Railroad Administration contracted Transportation Technology Center, Inc., to study bridge problems that cause accidents or service interruptions and to use this...
Report Number
DOT/FRA/ORD-13/05
Office
RRD
5
Feb
2013
Technical Reports
800,000-Pound Quasi-Static End Load Test of Crash Energy Management Equipped Car, Test 2
Subject
Facilities & Test Equipment,
Track,
Tracks & Structures,
Track/Train Interactions
Keywords: Quasi-static test
Abstract: This report summarizes compressive end-load Test 2 on Budd Pioneer Car 244. The quasi-static compressive end-load test at 800,000 pounds was conducted on January 19, 2011. The...
Report Number
DOT/FRA/ORD-13/04
Office
RRD
5
Feb
2013
Research Results
International Concrete Crosstie and Fastening System Survey
Subject
Track,
Track/Train Interactions,
Tracks & Structures
Keywords: Concrete crossties, elastic fastening systems, state of practice, survey, concrete sleepers, international, research, failure, mechanisms
Report Number
RR 13-02
Office
RDI-21
14
Dec
2012
Technical Reports
Driver Behavior Analysis at Highway-Rail Grade Crossings using Field Operational Test Data – Heavy Trucks
Subject
Accident Reduction,
Grade Crossing and Trespass Outreach/Education,
Highway-Rail Grade Crossing Warning Systems,
Signal and Train Control
Keywords: Driver behavior, highway-rail intersection, grade crossing, accident reduction, video data, violation reduction
Abstract: Researchers examined behaviors of heavy vehicle drivers at grade crossings, such as engaging in non-driving tasks and failing to look both ways before crossing.
Report Number
DOT/FRA/ORD-12/22
Office
RRD
11
Dec
2012
Research Results
IN-MOTION, NON-CONTACT RAIL TEMPERATURE MEASUREMENT SENSOR
Subject
Rail and Infrastructure Integrity,
Track,
Tracks & Structures
Keywords: Track buckling, instantaneous rail temperature, stress-free (or neutral) rail temperature, Non-Contact Rail Temperature Measurement sensor
Report Number
RR 12-18
Office
RDI-21