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Analysis of Thermal Buckling Tests on U.S. Railroads

Thermal buckling of railroad tracks in the lateral plane is an important problem in the design and maintenance of continuous welded rails (CWR). The severity of the problem is manifested through the increasing number of derailments which are attributable to track buckling, indicating a need for...

Special Routing of Spent Fuel Shipment Study

Special rail routing of spent fuel shipments from commercial nuclear power plants away-From-Reactor (AFR) storage and disposal sites has been proposed as one means of reducing the consequences and severity of radioactive materials accidents in areas of high population density. Whether or not...

A Metallurgical Analysis of an ASTM A 212-B Steel Tank Car Head Plate

The sample was taken from the A-head plate of tank car SOEX 3033 involved in an accident near Winder, Georgia. The A-head plate was reportedly produced to specification ASTM A212-65, Grade B steel. The results of laboratory check chemical analyses indicated that the plate sample met the chemical...

Needs Assessment—Railroad Test Track Siding Options for High Speed Testing

This report presents the results and findings from a study titled “Needs Assessment—Railroad Test Track (RTT) Siding Options for High Speed Testing.” This study was conducted to (1) determine potential capabilities that the proposed siding test track for the Transportation Technology Center, Inc. (...

Robust Anomaly Detection for Vision-Based Inspection of Railway Components

The Computer Vision Laboratory at the University of Maryland has completed a two-year research project in which it developed a library of tools and algorithms that are used to inspect railway tracks with machine vision technology. This technology has been integrated into a distributed computing...