Standard Recommended Practice for
-Applicat-ion-of-Gr-0und-P-enetrating Radar (GPR) to Highways
AASHTO Designation: R 37-041
1.1.This recommended practice would provide guidance to the highway engineer in the application of non-contact ground penetrating radar to transportation facilities.
It is intended to instruct the engineer as to the specific uses of non-contact radar for pavement layer thickness surveys, quality control of new pavement
construction, evaluation of granular base material, identifying zones of asphalt stripping, and assessment of bridge decks.
GPR has numerous applications for the transportation industry, but at this time requires extensive training in its use and interpretation of the data output, as well
as experience in local pavement conditions.
2.2. REFERENCED DOCUMENTS
2.1. ASTM Standard:
D 4748, Standard Test Method for Determining the Thickness of Bound Pavement Layers
Using Short-Pulse Radar
2.2. Federal Standard:
FHWAITX-92/1233-1, Implementation of the Texas Ground Penetrating Radar System,
Texas Transportation Institute with the Federal Highway Administration, 1992.
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