United States Department of Transportation
i
Spotlight on Pavement Density: New York State Department of Transportation - Next Steps with the Dielectric Profiling System
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2020-07-01
[PDF-3.59 MB]
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Abstract:The New York State Department of Transportation (NYSDOT) has shifted its attention with the dielectric profiling system (DPS) from trialing the technology to incorporating the tool into pavement project acceptance. The DPS uses a ground penetrating radar to assess asphalt compaction, which is a common acceptance quality characteristic for asphalt pavements. A DPS pushcart has been run as a shadow process on numerous NYSDOT asphalt paving projects statewide by means of a line-item contract provision since 2020. However, DPS data had not been a condition of pavement acceptance. NYSDOT is developing a standard specification for DPS use in pavement quality assessments instead of coring. "The primary focus is no longer on investigation of the DPS technology," says Brendan Rock, NYSDOT Materials Engineering Bureau. "We are now investigating its implementation on State projects."
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