With the rapid development of the city, road traffic is constantly improving, asphalt concrete pavement as the main form of pavement, asphalt thickness is one of the main indicators of construction quality control and construction acceptance. The traditional rotor coring method is a destructive test, which has the shortcomings of small number of samples, poor representativeness and low detection efficiency, while the ground penetrating radar method is a non-destructive test, which has the advantages of continuous, accurate, intuitive and high efficiency.

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