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Grease Evaluations using the Hi-Rail Lubrication System at FAST

Previous testing of lubrication systems at the Facility for Accelerated Service Testing (FAST) have stimulated a general interest in grease performance. The hi-rail grease test was conducted to evaluate four types of lubricant when used with a hi-rail track lubricator. In this test, the grease...

Overview - FAST Lubrication Study

From October 1983 to November 1984, a lubrication study funded -by the Federal Railroad Administration was conducted by the Association of American Railroads at the Facility for Accelerated Service Testing (FAST) at the Transportation Test Center in Pueblo, Colorado. The FAST Lubrication Study...

Track Geometry Measurement System

This report describes the Track Geometry Measurement System (TGMS) developed fro the Department of Transportation under contract no. DOT-TSC-1367. This report also contains a summary of the results of the test program that was conducted to validate the TGMS under various static and dynamic...

Research Results Digest 79

This digest summarizes the results of TCRP Project D-7/Task 15. The digest was prepared by the Transportation Technology Center, Inc. (TTCI) in Pueblo, Colorado.

Investigation of Rail Bolt Hole Cracks

This document is a collection of two reports on the rail bolt hold crack. part I describes the development of a model based on beam-on-elastic foundation analysis to calculate the shear force acting at a given bolt hold location. The model includes the effects of wheel and joint bar forces, joint...

Parametric Analysis and Safety Concepts of CWR Track Buckling

The work reported here is part of a major investigation conducted by the Volpe National Transportation Systems Center for the Federal Railroad Administration on the thermal buckling of continuous welded rail (WER) track in the lateral plane with the objective of developing guidelines and...

Analysis of Lateral Rail Restraint

Rail restraint failure is one of the most prevalent derailment modes in railroad operation. Analytical and experimental investigations of track gauge widening have been undertaken by the Transportation Systems Center ins support of the Federal Railroad Administration's Track Safety Research Program...

Development of a Prototype EMAT System for Inspection of Rails

This is the Final Report of the First Phase of an investigation of the application of Electromagnetic Acoustic Transducers (EMATs) to detect flaws in railroad rails. EMAT's generate ultrasonic beams in rails and receive return signals without surface contact and without liquid couplant. This work...