On the use of lateral wave for the interlayer debonding detecting in an asphalt airport pavement using a multistatic GPR system

Zou, Lilong ORCID: https://orcid.org/0000-0002-5109-4866, Yi, Li and Sato, Motoyuki (2020) On the use of lateral wave for the interlayer debonding detecting in an asphalt airport pavement using a multistatic GPR system. IEEE Transactions on Geoscience and Remote Sensing, 58 (6). pp. 4215-4224. ISSN 0196-2892

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In this paper, we focus on the detection of the interlayer debonding of the asphalt airport pavement by the Ground-penetrating Radar (GPR) system. Since the interlayer debonding usually occurs in the shallow region of the asphalt airport pavement (several centimeters), it is difficult to interpret the anomalies or the defects from the GPR signals composed of many waves under the boundary conditions. Moreover, the wavelength of the ordinary GPR system is over several centimeters. Therefore, the spatial resolution of the system is not accurate enough to consider the millimeter thickness of the debonding layer. To overcome these problems, we propose a new method based on evaluating the lateral wave behavior of common midpoint (CMP) gathers collected by a multiple static GPR system. The multi-static GPR system is a stepped frequency continuous wave (SFCW) radar system, which consists of 8 transmitting and 8 receiving bowtie antennas. The system operates in the frequency range from 50 MHz to 1.5 GHz. After the validation of the simulation, the results of the interlayer debonding detection were evaluated by a field experiment obtained at Tokyo International Airport. The proposed method can detect the debonding layers which are less than 1mm. Also, it is shown that our proposed method has a high consistency with the conventional acoustic finding method in the field measurement. It provides an innovative and effective method for the interlayer debonding detection of a partially damaged airport asphalt pavement, which is difficult to be observed by the ordinary GPR signals.

Item Type: Article
Identifier: 10.1109/tgrs.2019.2961772
Additional Information: © 2020 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Keywords: Asphalt airport pavement, common midpoint (CMP), ground-penetrating radar (GPR), interlayer debonding detection, lateral wave, multistatic GPR system, nondestructive inspection
Subjects: Construction and engineering > Civil and environmental engineering
Construction and engineering > Electrical and electronic engineering
Depositing User: Lilong Zou
Date Deposited: 11 Dec 2019 17:14
Last Modified: 06 Feb 2024 16:01
URI: https://repository.uwl.ac.uk/id/eprint/6602


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