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A Recent Progress of Steel Bar Corrosion Diagnostic Techniques in RC Structures

1
School of Human Settlements and Civil Engineering, Xi’an Jiao Tong University, Xi’an 710048, China
2
Photonics Research Centre, University of Malaya, Kuala Lumpur 50603, Malaysia
*
Author to whom correspondence should be addressed.
Sensors 2019, 19(1), 34; https://doi.org/10.3390/s19010034
Received: 20 November 2018 / Revised: 11 December 2018 / Accepted: 17 December 2018 / Published: 21 December 2018
(This article belongs to the Section Physical Sensors)
Corrosion of steel bar is one of key factors undermining reinforced concrete (RC) structures in a harsh environment. This paper attempts to review the non-destructive procedures from the aspect of the corrosion measurement techniques, especially their advantages and limitations. Systematical classification of diagnostic methods is carried out to determine any probable corrosion issues before the structures become severe, and helps choose the suitable method according to different construction features. Furthermore, the three electrochemical factors method is introduced to inspire researchers to combine various techniques to improve corrosion evaluation accuracy. The recommendations for future work are summarized, in conclusion. View Full-Text
Keywords: corrosion of steel bar (CSB); corrosion rate; corrosion current density; physical methods; electrochemical methods corrosion of steel bar (CSB); corrosion rate; corrosion current density; physical methods; electrochemical methods
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MDPI and ACS Style

Luo, D.; Li, Y.; Li, J.; Lim, K.-S.; Nazal, N.A.M.; Ahmad, H. A Recent Progress of Steel Bar Corrosion Diagnostic Techniques in RC Structures. Sensors 2019, 19, 34.

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