Ground Penetrating Radar Technology Evaluation and Implementation: Phase 2

2017PDFTech ReportDOT/FRA/ORD-17/19DTFR53-00-C-00012Task Order 248Ballast (Railroads)Ground penetrating radarDeterioration by environmental actionEnvironmental phenomenaGround penetrating radar technologyGPRfoulingballastColoradoUnited StatesUnited States. Federal Railroad Administration. Office of Research, Development, and TechnologyBrown, MikeLi, DingqingTransportation Technology Center, Inc.United States. Federal Railroad Administration. Office of Research, Development, and TechnologyThompson, HughUS Transportation CollectionThis report summarizes the results from Phase 2 of the ground penetrating radar (GPR) technologies evaluation performed by the Transportation Technology Center, Inc. at the revenue service monitoring sites on the Union Pacific Railroad and Amtrak. The scope of work included evaluation of ballast fouling and moisture sensitivity of two commercial GPR systems. An evaluation of the GPR systems installed on the DOTX 218 track inspection vehicle was also performed