Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

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)

How to cite: Zatar, W.A.; Nghiem, H.; Nguyen, H. Detecting Reinforced Concrete Rebars Using Ground Penetrating Radars. Preprints 2024, 2024030804. https://doi.org/10.20944/preprints202403.0804.v1 Zatar, W.A.; Nghiem, H.; Nguyen, H. Detecting Reinforced Concrete Rebars Using Ground Penetrating Radars. Preprints 2024, 2024030804. https://doi.org/10.20944/preprints202403.0804.v1

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

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