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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
8
Jul
2014
Technical Reports
A Study of the Use of Bio-Based Technologies (Lubricant and Grease) in Railroad Applications
Subject
Environmental Protection,
Freight Operations,
Rail and Infrastructure Integrity,
Rolling Stock,
Track
Keywords: bio-based, biodegradable, rail curve grease, grease, rolling stock, lubrication, friction reduction, mineral oil-based grease, hydraulic oil
Abstract: The objective of the project was to study the efficacy of using bio-based lubricant and grease technologies in railroad applications (locomotives and maintenance of way equipment...
Report Number
DOT/FRA/ORD-14/11
Office
RRD
8
Jul
2014
Technical Reports
Locomotive Biofuel Study: Preliminary Study of the Use and Effects of Biodiesel in Locomotive Engines
Subject
Environmental Protection,
Freight Operations,
Rail and Infrastructure Integrity,
Rolling Stock
Keywords: Locomotive Biofuel Study, locomotive, biofuel, PRIIA 404, Section 404, biodiesel Rail E3
Abstract: Section 404 of the Passenger Rail Investment and Improvement Act (PRIIA), 2008, mandated that the Federal Railroad Administration (FRA) undertake a Locomotive Biofuel Study to...
Report Number
DOT/FRA/ORD-14/12
Office
RRD
4
Apr
2014
Technical Reports
Quantification of the Effectiveness of Handheld Equipment for Ground Verification of Detected Rail Internal Defects
Subject
Rail and Infrastructure Integrity,
Track,
Tracks & Structures
Keywords: Ultrasonic phased arrays, conventional ultrasonic, rail flaw sizing, nondestructive testing
Abstract: The objective of this project was to quantify the effectiveness of the rail inspection ground verification process. More specifically, the project focused on comparing the...
Report Number
DOT/FRA/ORD-14/07
Office
RRD
24
Jan
2014
Policy and Guidance
Self-Adaptive Scheduling Algorithm - Guidance
Subject
Continuous Welded Rail,
Rail and Infrastructure Integrity
Keywords: Self-Adaptive Scheduling Algorithm