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5
Apr
2019
Research Results
Settlement of Fine-Contaminated Ballast
Subject
Track
Keywords: Ballast, fines, drainage, mud pumping, settlement
Abstract: In 2017, the Federal Railroad Administration (FRA) and Transportation Technology Center, Inc. (TTCI) constructed and performed ongoing initial tests on a “Rainy Section” of track...
Report Number
RR 19-09
Office
RDI-21
27
Mar
2019
Research Results
Low Ground Clearance Vehicle Detection and Warning
Subject
Grade Crossing Technology,
Highway-Rail Grade Crossings
Keywords: Low Ground Clearance Vehicle Detection System, LGCVDS, grade crossing, hang-up, sensing, interference boundary, active detection and warning
Abstract: Researchers developed and tested a sensor system to measure road surface levels at grade crossings and identify areas where lower-riding vehicles could get stuck.
Report Number
RR 19-07
Office
RDI-22
18
Mar
2019
Research Results
A Wire Indent Profiling System for the Assessment of Crosstie Bond and Splitting Propensity
Subject
Track
Keywords: infrastructure, railroad ties, indented wire geometry, transfer length, cracking and splitting, prestressed concrete, high-speed rail
Abstract: This report highlights the development and testing of an automated, high-resolution, non-contact wire indent profile measurement system designed to measure geometric parameters of...
Report Number
RR 19-06
Office
RDI-21
1
Mar
2019
Research Results
Development of Railroad Trespass and Grade Crossing Training Aids Research
Subject
Trespasser Programs
Keywords: Trespassing, grade crossing, mobile app, railroad safety, education, outreach, training
Abstract: The Federal Railroad Administration’s (FRA) Office of Research, Development and Technology (RD&T) sponsored the John A. Volpe National Transportation Systems Center (Volpe...
Report Number
RR 19-05
Office
RDI-23
15
Feb
2019
Research Results
Full-Scale Shell Impact Test of a DOT-111 Tank Car
Subject
Hazardous Materials
Keywords: Tank cars, impact testing, puncture resistance, hazardous materials, hazmat, finite element analysis, model validation
Abstract: On October 30, 2018, the Federal Railroad Administration (FRA) conducted a full-scale shell impact test of a DOT-111A100W (DOT-111) tank car meeting voluntary industry standard...
Report Number
RR 19-03
Office
RDI-22