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26
May
2017
Research Results
Industry Survey of Bolsters and Side Frames Removed from Service
Subject
Best Practices,
Facilities & Test Equipment,
Rolling Stock
Keywords: Bolster, side frame, casting, survey, steel
Abstract: Transportation Technology Center, Inc. (TTCI) conducted an industry survey of defective bolsters and side frames removed from service. Scrapped components (approximately 70...
Report Number
RR 17-07
Office
RDI-22
13
Jan
2017
Technical Reports
Weld Repair of Manganese Frogs for Enhanced Performance
Subject
Best Practices,
Rail and Infrastructure Integrity,
Track
Keywords: Reciprocating wire feed, constant voltage, Flux-Cored Arc Welding, heat-affected zone, radiographic testing, Shielded Metal Arc Welding, ultimate tensile strength, yield strength.
Abstract: When special trackwork contact surfaces (such as manganese-steel turnout frogs) become worn and damaged, they can be repaired to extend their lifetime, but current repair...
Report Number
DOT/FRA/ORD-17/01
Office
RRD
1
Jul
1992
Technical Reports
Improving Transportation Through Railroad Research: 1988-1991
Subject
Best Practices
Keywords: Safety Regulations, R&D, Track Buckling, Rail Restraint, Vehicle/Track Interaction, Rail Integrity, Operating Practices, Maglev, TTC, FAST
Abstract: The Office of Research and Development (R&D) of the Federal Railroad Administration (FRA) conducts research, development, test, and evaluation projects to directly support the...
Report Number
DOT/FRA/ORD-92/14
Office
RRD
1
May
1987
Technical Reports
Conductive Interference in Rapid Transit Signalling Systems, Volume II: Suggested Test Procedures
Subject
Best Practices
Keywords: Conductive EMI, Rail System EMI, EMI Measurements
Abstract: Methods for detecting and quantifying the levels of conductive electromagnetic interference produced by solid state rapid transit propulsion equipment and for determining the...
Report Number
DOT-TSC-UMTA-86-7
Office
RRD
1
Sep
1986
Technical Reports
Energy Management Guidelines for Rail Transit Systems: Executive Summary
Subject
Best Practices
Keywords: Power Rate Structure, Operating Cost Analysis, Energy Reduction
Abstract: The cost of electricity is a significant portion of the operating costs of rail transit systems. The impact of increasing energy costs is felt by those systems presently in...
Report Number
UMTA-PA-06-0083-86-1
Office
RRD