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11
Sep
2018
Technical Reports
Ballast Fouling Measurement Tool: Phase 1
Subject
Track
Keywords: Ground penetrating radar, GPR, RAdar Ballast Inspection Tool, RABIT, ballast, fouling, moisture
Abstract: A prototype man-portable ballast inspection instrument was developed by Earth Science Systems, LLC (ESS) at their facility for use by track inspectors based on ground penetrating...
Report Number
DOT/FRA/ORD-18/33
Office
RDI-21
6
Aug
2018
Technical Reports
Next-Generation Foundations for Special Trackwork – Phase II
Subject
Track
Keywords: Dynamic load environment, special trackwork frog foundations, wheel/rail impact, W/R, modeling, High Tonnage Loop, HTL, Facility for Accelerated Service Testing, FAST
Abstract: Transportation Technology Center, Inc. (TTCI) conducted this study under a research and development plan funded by the Federal Railroad Administration (FRA), and the work was...
Report Number
DOT/FRA/ORD-18/29
Office
RDI-21
5
Aug
2018
Accident Investigations
HQ-2018-1293 (Finalized)
Subject
Accident Investigations,
Human Factors,
Track
Keywords: derailment; Norfolk Southern Railway Company; Pittsburgh, PA; human factors; track
Abstract: At 1:02 p.m., EDT, a Norfolk Southern Railway Company (NS) intermodal train 21QC105 (Train 1) derailed seven double-stack articulated intermodal cars with three wells each. Train...
Accident Date
Accident Type
Derailment (DRM)
Railroad Name
Norfolk Southern Railway Company
Location
Pittsburgh, PA
United States
Accident Number
HQ-2018-1293
Investigation Status
Finalized
31
Jul
2018
Technical Reports
Low Solar Absorption Coating for Reducing Rail Temperature and Preventing Buckling
Subject
Track
Keywords: Solar absorption, inorganic coating, rail temperature, thermal stress, track buckling, zero-volatile organic content, VOC, rail neutral temperature, RNT
Abstract: This report documents Rutgers University’s research in the development and demonstration of an inorganic coating for reducing peak rail temperature to inhibit rail buckling. The...
Report Number
DOT/FRA/ORD-18/28
Office
RDI-21
30
Jul
2018
Technical Reports
Field Demonstration of Geocell Track Substructure Support System Under High-Speed Passenger Railroad Operations
Subject
Track
Keywords: Track geometry, high-speed track, track quality index, TQI, ballast, sub-ballast, subgrade, Surfacing Cycle, geocell, Neoweb™, Amtrak, Northeast Corridor, NEC
Abstract: Regions of track, which experience high rates of track geometry degradation, tend to require frequent maintenance interventions that are typically surfacing or tamping. Harsco...
Report Number
DOT/FRA/ORD-18/27
Office
RDI-21