AASHTO PP 98-20 (2023)

Standard Practice for Asphalt Surface Dielectric Profiling System Using Ground Penetrating Radar

standard by American Association of State and Highway Transportation Officials , 2020

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Full Description

This standard specifies the equipment and software requirements for a dielectric profiling system (DPS). Calibration and verification procedures are also detailed.

A DPS uses ground penetrating radar (GPR) technology to continuously measure asphalt compaction quality up to highway speeds. The DPS system reports the asphalt surface dielectric constant which is strongly correlated to asphalt air void content (FHWA/TX-92/1233-1). As the dielectric constant increases, air void content decreases.

A DPS may be a single- or multi-channel system and may be cart or vehicle-mounted.

Product Details

Published:: 2020
Number of Pages:: 10
File Size:: 1 file , 1.1 MB
Product Code(s):: PP098-20-UL, PP098-20-UL, PP098-20-UL
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