Ground Penetrating Radar

David A. Willett & Brad Rister
The following report demonstrates the accuracy of using Ground Penetrating Radar (GPR) to determine both the surface layer thickness for asphalt, and concrete pavements. In addition tests were conducted to identify GPR’s repeatability on dry pavements, GPR’s ability to determine pavement layer thicknesses in wet conditions, and an attempt was made to determine the number of actual field cores necessary to accurately post-process radar data into thickness values. The equipment used to perform these evaluations...
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