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International Journal of Corrosion
Volume 2014 (2014), Article ID 618280, 11 pages
Research Article

Protection of Steel Corrosion in Concrete Members by the Combination of Galvanic Anode and Nitrite Penetration

1Department of Maintenance Engineering, Central Nippon Highway Engineering Nagoya Co Ltd, Kanazawa Branch, Ekinishi Honmacthi, Kanazawa, Ishikawa 920-0025, Japan
2Department of Civil and Environmental Engineering, Kanazawa Institute of Technology, Hakusan, Ishikawa 924-0838, Japan
3Kanazawa University, Kakumamachi, Kanazawa, Ishikawa 920-1192, Japan

Received 7 August 2013; Accepted 22 December 2013; Published 12 February 2014

Academic Editor: Flavio Deflorian

Copyright © 2014 Minobu Aoyama et al. 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.


Chloride induced-corrosion of steel bars in concrete can make cracks and exfoliation in near-surface regions in reinforced concrete structures. In this paper, we described the basic concept and practice of steel bars corrosion protection method by the combination of galvanic anode (zinc wire) and the penetration of nitrite ions from mortar layers containing a large amount of lithium nitrite.