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Parametric Study of Track Response

This report was prepared as part of the Improved Track Structures Research Program managed by the Transportation Systems Center. This program is sponsored by the Office of Rail Safety Research, Improved Track Structures Research Division, of the Federal Railroad Administration. The report...

Integrated Railway Remote Information Service

TTCI via the FRA was tasked by the Congress of the United States to demonstrate the feasibility of using and linking defect detector systems across North America to develop a national database that will enable the railroad industry to engage in predictive maintenance (processes that allow...

Friction and Creep in Rolling Contact

Experimental and analytical studies of friction and creep in rolling contact are reported. Factors examined for their influence on friction (adhesion) and creep are (a) surface roughness, (b) surface vibration, (c) surface contamination, (d) dynamic loading due to irregular track, and (e)...

FRA Two Car Impact Test

Transportation Technology Center, Inc., a subsidiary of the Association of American Railroads, performed a full-scale impact test at the Federal Railroad Administration's Transportation Technology Center near Pueblo, Colorado. The April4, 2000 test was performed using two Budd Company Pioneer-type...

Tank Car Nondestructive Evaluation

An evaluation of nondestructive testing (NDT) methods, authorized for use in replacing the current hydrostatic pressure test for qualification or re-qualification of railroad tank cars, has been performed by the Transportation Technology Center, Inc. (TTCI), a subsidiary of the Association of...

Fatigue Tests on Trail Hitch at FAST- The FAT II Report

Cracks appeared in a hitch and its underdeck support on one of the three Trailer-onFlat Cars (TOFC) in the FAST (Facility for Accelerated Service Testing)train consist 3,000 miles after inspection (at 186,000 miles). As a result, a series of static and dynamic (FAST operation} tests was undertaken...