Technical Reports

Ground Penetrating Radar Technology Evaluation on the High Tonnage Loop: Phase 1

  • 27
  • Sep
  • 2017
AUTHOR: Federal Railroad Administration
OFFICE: RPD
SUBOFFICE: RPD-31
REPORT NUMBER: DOT/FRA/ORD-17/18
SUBJECT: Track/Train Interactions
KEYWORDS: Ground penetrating radar technology, High Tonnage Loop, GPR, ballast, fouling
ABSTRACT: This report describes and documents the results of an evaluation of ground penetrating radar (GPR) technologies performed by Transportation Technology Center, Inc. on the High Tonnage Loop at the Transportation Technology Center in Pueblo, CO. A number of GPR systems, representing most of the current North American service providers, participated in the evaluation. The focus of the evaluation was ballast condition assessment, specifically ballast fouling, layer depth, and moisture content.

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