Article
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Detecting Reinforced Concrete Rebars Using Ground Penetrating Radars
Version 1
: Received: 13 March 2024 / Approved: 13 March 2024 / Online: 14 March 2024 (09:44:31 CET)
A peer-reviewed article of this Preprint also exists.
Zatar, W.; Nghiem, H.; Nguyen, H. Detecting Reinforced Concrete Rebars Using Ground Penetrating Radars. Appl. Sci. 2024, 14, 5808. Zatar, W.; Nghiem, H.; Nguyen, H. Detecting Reinforced Concrete Rebars Using Ground Penetrating Radars. Appl. Sci. 2024, 14, 5808.
Abstract
A new algorithm is developed in this study to automatically detect reinforced concrete structures' rebar locations and diameters using the ground penetrating radar technique. The method approximates the hyperbolic signatures using two-way travel time and bi-quadratic equations. The study includes formulating electromagnetic wave speed in reinforced concrete (RC) structures. The algorithm was used in a computer code to provide an automated analysis of ground-penetrating radar data collected from a pre-planned survey grid. Two RC slabs were fabricated and tested to validate the proposed method. The proposed method is efficient in signal processing and accurately and reliably determining the rebar information.
Keywords
nondestructive evaluation; ground-penetrating radar (GPR); rebar depth; rebar diameter; reinforced-concrete structures
Subject
Engineering, Civil Engineering
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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