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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
22
Dec
2016
Technical Reports
Force Environment Evaluation of Stub Sills on Tank Cars Using Autonomous Over-the-Road Testing of the Instrumented Tank Car
Subject
Hazardous Materials,
Crashworthiness - Tank Car
Keywords: Tank cars, stub sills, ENSCO, track geometry, measurement, load environment, operating conditions, instrumented tank cars, data collection, vertical coupler force, longitudinal coupler force
Abstract: Fractures have been observed on stub sill tank cars for many years. Undetected and unattended, these fractures can develop into a variety of tank car failures. While tank car...
Report Number
DOT/FRA/ORD-16/39
Office
RDI-22
2
Mar
2016
Other Reports
Section 610 Periodic Review of Railroad Accidents/Incidents: Reports Classification and Investigations (49 CFR Part 225)
Subject
Accident Investigations,
Best Practices
Keywords: economic impact
Abstract: The purpose of this document is to provide information and further details on the determination of the economic impact on small entities of 49 CFR Part 225, Railroad Accidents/...
Office
RRS
1
Jul
2015
Accident Investigations
HQ-2015-1061 (Finalized)
Subject
Accident Investigations,
Hazardous Materials,
Crashworthiness - Tank Car
Keywords: Derailment, Accident Investigation, Hazardous Materials, Tank Car
Abstract: Summary Report: On July 1, 2015, at 11:45 p.m., EDT, a southbound CSX Transportation (CSX) freight train, Number S541-01 (“the accident train”), originating in Cincinnati, Ohio,...
Accident Date
Accident Type
Derailment (DRM)
Railroad Name
CSX Transportation
Location
Maryville, TN
United States
Accident Number
HQ-2015-1061
Investigation Status
Finalized