Homogeneity Assessment of Asphalt Concrete Base in Terms of a Three-Dimensional Air-Launched Ground Penetrating Radar

Obtaining the required homogeneity, including uniform thickness and density, is very crucial for controlling the quality of flexible asphalt layers. Although non-destructive testing (NDT) methods are time-saving and less labor-intensive, they only provide indirect measurement data under testing area...

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Autores principales:	Xiaomeng Zhang, Wenyang Han, Luchuan Chen, Zhengchao Zhang, Zhichao Xue, Jincheng Wei, Xiangpeng Yan, Guiling Hu
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	ground penetrating radar asphalt concrete base homogeneity assessment dielectric constant model Engineering (General). Civil engineering (General) TA1-2040
Acceso en línea:	https://doaj.org/article/c2b88f2c5e564b93afc63a0b6cf74d89
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spelling	oai:doaj.org-article:c2b88f2c5e564b93afc63a0b6cf74d892021-11-25T17:16:50ZHomogeneity Assessment of Asphalt Concrete Base in Terms of a Three-Dimensional Air-Launched Ground Penetrating Radar10.3390/coatings111113982079-6412https://doaj.org/article/c2b88f2c5e564b93afc63a0b6cf74d892021-11-01T00:00:00Zhttps://www.mdpi.com/2079-6412/11/11/1398https://doaj.org/toc/2079-6412Obtaining the required homogeneity, including uniform thickness and density, is very crucial for controlling the quality of flexible asphalt layers. Although non-destructive testing (NDT) methods are time-saving and less labor-intensive, they only provide indirect measurement data under testing area conditions and strongly depend on the explanations by prediction models. In this study, in terms of the three-dimensional air-launched Ground Penetrating Radar (GPR) technique, the dielectric constant of asphalt concrete base with dry conditions in pavements was detected and calculated by different methods (the Coring Method, Reflection Amplitudes Method and Common Mid-Point Method). According to the calculated dielectric constant, the thickness and density of asphalt concrete base were further calculated and assessed. Comparing with the Coring Method, the Common Mid-Point Method was recommended to calculate dielectric constants in order to obtain reliable thickness of asphalt pavement base. Among the Birefringence, Boettcher, Linearity indicator, and Rayleigh models, the Rayleigh model was suggested to predict the density, and the predicted density exhibited a good correlation coefficient with the measured one. Furthermore, by choosing these proper calculation methods, an assessment was successfully conducted to evaluate homogeneity of a constructed field pavement in practice.Xiaomeng ZhangWenyang HanLuchuan ChenZhengchao ZhangZhichao XueJincheng WeiXiangpeng YanGuiling HuMDPI AGarticleground penetrating radarasphalt concrete basehomogeneity assessmentdielectric constantmodelEngineering (General). Civil engineering (General)TA1-2040ENCoatings, Vol 11, Iss 1398, p 1398 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	ground penetrating radar asphalt concrete base homogeneity assessment dielectric constant model Engineering (General). Civil engineering (General) TA1-2040
spellingShingle	ground penetrating radar asphalt concrete base homogeneity assessment dielectric constant model Engineering (General). Civil engineering (General) TA1-2040 Xiaomeng Zhang Wenyang Han Luchuan Chen Zhengchao Zhang Zhichao Xue Jincheng Wei Xiangpeng Yan Guiling Hu Homogeneity Assessment of Asphalt Concrete Base in Terms of a Three-Dimensional Air-Launched Ground Penetrating Radar
description	Obtaining the required homogeneity, including uniform thickness and density, is very crucial for controlling the quality of flexible asphalt layers. Although non-destructive testing (NDT) methods are time-saving and less labor-intensive, they only provide indirect measurement data under testing area conditions and strongly depend on the explanations by prediction models. In this study, in terms of the three-dimensional air-launched Ground Penetrating Radar (GPR) technique, the dielectric constant of asphalt concrete base with dry conditions in pavements was detected and calculated by different methods (the Coring Method, Reflection Amplitudes Method and Common Mid-Point Method). According to the calculated dielectric constant, the thickness and density of asphalt concrete base were further calculated and assessed. Comparing with the Coring Method, the Common Mid-Point Method was recommended to calculate dielectric constants in order to obtain reliable thickness of asphalt pavement base. Among the Birefringence, Boettcher, Linearity indicator, and Rayleigh models, the Rayleigh model was suggested to predict the density, and the predicted density exhibited a good correlation coefficient with the measured one. Furthermore, by choosing these proper calculation methods, an assessment was successfully conducted to evaluate homogeneity of a constructed field pavement in practice.
format	article
author	Xiaomeng Zhang Wenyang Han Luchuan Chen Zhengchao Zhang Zhichao Xue Jincheng Wei Xiangpeng Yan Guiling Hu
author_facet	Xiaomeng Zhang Wenyang Han Luchuan Chen Zhengchao Zhang Zhichao Xue Jincheng Wei Xiangpeng Yan Guiling Hu
author_sort	Xiaomeng Zhang
title	Homogeneity Assessment of Asphalt Concrete Base in Terms of a Three-Dimensional Air-Launched Ground Penetrating Radar
title_short	Homogeneity Assessment of Asphalt Concrete Base in Terms of a Three-Dimensional Air-Launched Ground Penetrating Radar
title_full	Homogeneity Assessment of Asphalt Concrete Base in Terms of a Three-Dimensional Air-Launched Ground Penetrating Radar
title_fullStr	Homogeneity Assessment of Asphalt Concrete Base in Terms of a Three-Dimensional Air-Launched Ground Penetrating Radar
title_full_unstemmed	Homogeneity Assessment of Asphalt Concrete Base in Terms of a Three-Dimensional Air-Launched Ground Penetrating Radar
title_sort	homogeneity assessment of asphalt concrete base in terms of a three-dimensional air-launched ground penetrating radar
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/c2b88f2c5e564b93afc63a0b6cf74d89
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_version_	1718412556072124416

Homogeneity Assessment of Asphalt Concrete Base in Terms of a Three-Dimensional Air-Launched Ground Penetrating Radar

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