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15
Feb
2019
Research Results
Full-Scale Shell Impact Test of a DOT-105 Tank Car
Subject
Hazardous Materials
Keywords: Tank cars, impact testing, puncture resistance, hazardous materials, hazmat, finite element analysis, FEA, model validation
Abstract: On August 1, 2018, the Federal Railroad Administration (FRA) conducted a full-scale shell impact test of a DOT-105A500W (DOT-105) tank car at the Transportation Technology...
Report Number
RR 19-04
Office
RDI-22
12
Feb
2019
Research Results
Thermite Head-Defect Repair Welds at the Eastern Mega Site
Subject
Track
Keywords: Rail, weld, thermite, railhead repair, rail welding, revenue service
Abstract: From October 2013 to March 2017, thermite head-defect repair test welds from two different suppliers were installed at the eastern mega site near Princeton, WV, on mainline...
Report Number
RR 19-02
Office
RDI-21
6
Feb
2019
Research Results
Drainage Properties of Fine Contaminated Ballast
Subject
Track
Keywords: Ballast, fines, drainage, mud pumping, track
Abstract: In 2017, the Federal Railroad Administration (FRA) and Transportation Technology Center, Inc. (TTCI) completed the initial phase of testing on a “Rainy Section” in the High...
Report Number
RR 19-01
Office
RDI-21
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
19
Nov
2018
Research Results
2017 Grade Crossing Research Needs Workshop
Subject
Grade Crossing and Trespass Outreach/Education,
Signal and Train Control
Keywords: Railroads, highway-rail, grade crossing, research needs, rail safety, rail research
Abstract: At this workshop, subject-matter experts shared best practices, identified research needs and discussed new strategies for reducing grade crossing incidents and fatalities.
Report Number
RR 18-16
Office
RDI-23