Abstract
Ground Penetration Radar (GPR) is an important non-destructive testing method used in quality control studies on highways. In this study, the GPR device was used to determine the pavement layer thicknesses and to reveal the anomalies that occurred during the manufacturing on the highways. Within the scope of the research, field studies were carried out in a certain part of the Antalya-Burdur-Isparta highway (17 km). Scanning was performed at two different frequency rates (600 and 1600 MHz) using the GPR device. Two consecutive GPR scans were performed in the year the highway was renewed and the following year. In the first year GPR scans, it was determined whether the planned layer thicknesses were reached or not and abnormal conditions arising from the construction of the highway. In the second year GPR scans, the changes that occur on the highway after one year under the traffic load were determined. With this study, it has been demonstrated once again that the GPR test method is an alternative to destructive testing methods and is a test method that can collect information about the highway without damaging.
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