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4
Nov
2020
Research Results
Railroad Industry Workforce Development Survey
Subject
Railroad Employees
Keywords: Technology adoption and impact, rail safety training, rail industry survey, rail education, rail industry diversity, workforce, workforce development
Report Number
RR 20-19
Office
RDI-22
21
Nov
2018
Research Results
Report on the New Rail Integrity and Performance Testing at the Mega Sites
Subject
Heavy Axle Load (HAL)
Keywords: Rail, rolling contact fatigue, RCF, wear, friction control, grinding
Abstract: Since 2005, the Association of American Railroads (AAR) and the Federal Railroad Administration (FRA) have co-sponsored ongoing rail performance testing under mainline heavy...
Report Number
RR 18-17
Office
RDI-21
26
Sep
2018
Technical Bulletins
Technical Bulletin MP&E 18-01, Enforcement Guidance for requiring a manual reset to restart the alerter warning timing cycle, Title 49 Code of Federal Regulations Section 229.140(b)(3)
Subject
Motive Power and Equipment,
Operating Practices,
Railroad Employees
Keywords: Inspectors, Guidance, Alerters, NTSB Safety Recommendation, MP&E Compliance Manual
Abstract: To satisfy NTSB Safety Recommendation R-15-04, FRA is revising its Motor Power and Equipment Compliance Manual to emphasize the importance of enforcing compliance with existing...
Bulletin Number
MP&E 18-01
Discipline
Motive Power and Equipment
13
Jul
2018
Technical Reports
Discrete Element Modeling of Railroad Ballast Behavior
Subject
Laboratory,
Testing
Keywords: Ballast behavior, discrete element modeling, DEM, Discrete Element Method, triaxial test, fouling, dynamic train loading, ballast degradation and image analysis
Abstract: An innovative integrated computational-experimental laboratory testing framework has been developed at the University of Illinois at Urbana-Champaign to evaluate clean and fouled...
Report Number
DOT/FRA/ORD-18/20
Office
RDI-21
6
Jun
2018
Research Results
Ballast Degradation Under Heavy Axle Load Trains at the Western Mega Site
Subject
Heavy Axle Load (HAL)
Keywords: Ballast degradation, triaxial testing, ballast box, heavy axle load, HAL
Abstract: Transportation Technology Center, Inc. (TTCI) and the University of Illinois Urbana-Champaign (UIUC), in conjunction with Union Pacific Railroad (UP), investigated ballast...
Report Number
RR 18-09
Office
RDI-21