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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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1 Jun 2003

Technical Reports

Estimation of Residual Stresses in Railroad Commuter Car Wheels Following Manufacture

Author
Federal Railroad Administration

Keywords: Residual stress; railroad wheels; quenching; finite element analysis; viscoelastic creep

Abstract: A computer simulation of the manufacturing process of railroad car wheels is described to determine the residual stresses in the wheel following fabrication. Knowledge of, and the...

Report Number
DOT/FRA/ORD-03/24
Office
RDI-20

1 Jun 2003

Technical Reports

Tread Metal Buildup on Railroad Freight Car Wheels- Dynamometer Simulation

Author
Federal Railroad Administration;

Subject Braking Systems

Keywords: Tread metal buildup, Dynamometer, Wheels

Abstract: Recent dynamometer tests on a composition metal brake shoe with a high metal powder content developed slight tread metal pick up during testing at the Federal Railroad...

Report Number
DOT/FRA/ORD-03/25
Office
RRD

1 Jun 2003

Technical Reports

Human Reliability Analysis in Support of Risk Assessment for Positive Train Control

Author
Federal Railroad Administration; John Wreathall; Emilie Roth; Dennis Bley; Jordan Multer

Subject Human Factors

Keywords: Positive Train Control; Cognitive task analysis; Human factors; Decision making; Probabilistic risk assessment; Railroad operations

Abstract: This report describes an approach to evaluating the reliability of human actions that are modeled in a probabilistic risk assessment (PRA) of train control operations. This...

Report Number
DOT/FRA/ORD-03/15
Office
RDI-20

1 May 2003

Technical Reports

Attentuation of Dynamic Response of Special Track Work Foundations Subjected to Impact Loading

Author
Satya P. Singh, David D. Davis, Don Guillen, David Williams

Subject Tracks & Structures

Keywords: High Impact Loads, Damping, Wood Tie Ballasted Track, Concrete Tie Ballasted Track

Abstract: This report deals with damage to special track work due to high impact loads and the beneficial effect of increasing damping in these foundations. Additional damping attenuates...

Report Number
DTFR53-93-C-00001
Office
RRD

1 May 2003

Technical Reports

Instrumented Wheelset Test: Material Handling Cars in Service from New York City to Chicago

Author
Steven Belport

Subject Track/Train Interactions

Keywords: Vehicle/Track Interaction Safety Limits, Vertical Carbody Acceleration, Wheel Unloading

Abstract: Vehicle performance tests were conducted on empty 1400-series Amtrak Material Handling Cars (MHC) from Albany, New York, to Chicago, Illinois. TTCI used its 33-inch instrumented...

Report Number
DTFR53-93-C-00001
Office
RRD