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Sensors 2015, 15(8), 19069-19101; doi:10.3390/s150819069

Non-Destructive Evaluation for Corrosion Monitoring in Concrete: A Review and Capability of Acoustic Emission Technique

1
Department of Civil Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia
2
Department of Mechanics of Materials and Constructions, Vrije Universiteit Brussel, Pleinlaan 2, Brussels 1050, Belgium
3
Department of Civil Engineering, Faculty of Engineering, Ege University, Bornova, Izmir 35100, Turkey
*
Author to whom correspondence should be addressed.
Academic Editor: Vittorio M.N. Passaro
Received: 10 April 2015 / Revised: 15 June 2015 / Accepted: 16 June 2015 / Published: 5 August 2015
(This article belongs to the Section Physical Sensors)
View Full-Text   |   Download PDF [2967 KB, uploaded 5 August 2015]   |  

Abstract

Corrosion of reinforced concrete (RC) structures has been one of the major causes of structural failure. Early detection of the corrosion process could help limit the location and the extent of necessary repairs or replacement, as well as reduce the cost associated with rehabilitation work. Non-destructive testing (NDT) methods have been found to be useful for in-situ evaluation of steel corrosion in RC, where the effect of steel corrosion and the integrity of the concrete structure can be assessed effectively. A complementary study of NDT methods for the investigation of corrosion is presented here. In this paper, acoustic emission (AE) effectively detects the corrosion of concrete structures at an early stage. The capability of the AE technique to detect corrosion occurring in real-time makes it a strong candidate for serving as an efficient NDT method, giving it an advantage over other NDT methods. View Full-Text
Keywords: reinforced concrete; corrosion; non-destructive testing; acoustic emission reinforced concrete; corrosion; non-destructive testing; acoustic emission
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. (CC BY 4.0).

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MDPI and ACS Style

Zaki, A.; Chai, H.K.; Aggelis, D.G.; Alver, N. Non-Destructive Evaluation for Corrosion Monitoring in Concrete: A Review and Capability of Acoustic Emission Technique. Sensors 2015, 15, 19069-19101.

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