Research on the Quality of Asphalt Pavement Construction Based on Nondestructive Testing Technology

In order to better evaluate the construction quality of asphalt pavement, nondestructive testing techniques are used to inspect newly paved asphalt mixture pavement. The proposed system for the evaluation of asphalt pavement construction quality uses three-dimensional ground-penetrating radar (GPR)...

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Bibliographic Details
Published in:Coatings (Basel) 2022-03, Vol.12 (3), p.379
Main Authors: Chen, Wei, Hu, Guiling, Han, Wenyang, Zhang, Xiaomeng, Wei, Jincheng, Xu, Xizhong, Yan, Xiangpeng
Format: Article
Language:English
Subjects:
Antennas
Asphalt mixes
Asphalt pavements
Calibration
Construction
Data points
Evaluation
Ground penetrating radar
Nondestructive testing
Nuclear density meters
Pavement construction
Permittivity
Porosity
Quality assessment
Quality control
Radar
Radar antennas
Roads & highways
Software
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Summary:In order to better evaluate the construction quality of asphalt pavement, nondestructive testing techniques are used to inspect newly paved asphalt mixture pavement. The proposed system for the evaluation of asphalt pavement construction quality uses three-dimensional ground-penetrating radar (GPR) and a non-nuclear density gauge. The GPR and the non-nuclear density gauge test results were used to establish a dielectric constant–porosity model by fitting. This approach can more accurately determine the dielectric constant selection scheme of the GPR based on the average value of every 10 dielectric constant data points in the length direction of the radar antenna and every three data channels in the width direction. The GPR collected the dielectric constants of the road surface based on the total reflection method and used the average value of the local dielectric constant to evaluate the construction quality of the road. The non-nuclear density gauge used the local porosity to assess the construction quality of the road. It is recommended that the two testing schemes described above be used to evaluate the quality of asphalt pavement construction. They can provide theoretical guidance for future applications in practical processes.
ISSN:2079-6412
2079-6412
DOI:10.3390/coatings12030379