RESEARCH ARTICLE


Corrosion Monitoring Using Embedded Piezoelectric Sensors



Lei Qin*, 1, Qi Qin1, Hongwei Ren2, Biqin Dong3, Feng Xing3
1 School of Civil Engineering and Architectural Engineering, University of Jinan, Jinan 250022, China
2 School of electrical engineering, University of Jinan, Jinan 250022, China
3 School of Civil Engineering, Guangdong Province Key Laboratory of Durability for Marine Civil Engineering, Shenzhen University, Shenzhen 518060, China


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Creative Commons License
© 2014 Qin et al;

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the School of Civil Engineering and Architectural Engineering, University of Jinan, Jinan 250022, China; Tel: (+86)15069082207; Fax: (+86)82765943; E-mail: cea_qin@ujn.edu.cn


Abstract

In this research, a new type of corrosion monitoring technique for reinforce concrete was developed. The technique used piezoelectric sensors to detect the ultrasonic signals during corrosion. The mechanism of the method was presented. Experiment was carried out to monitor the corrosion process using piezoelectric sensors. The corrosion was also monitored using stain gauge for comparison.

Keywords: Concrete, corrosion, piezoelectric sensor, steel bar, ultrasonic.