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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: The Galvanic Effect of the Anodic/
Cathodic Area Ratio on Reinforced
Concrete with 304 Stainless Steel
Author(s): M. Córdova and P. Castro-Borges
Publication: Special Publication
Appears on pages(s): 383-392
Keywords: anodic/cathodic area; galvanic couple; repair; stainless steel
Abstract:The galvanic couple effect decreases a few weeks after performing local
repairs. Nonetheless, there is no information on the effect the anodic/cathodic
area (aA/aC) ratio has on the magnitude of the galvanic couple. The selective use of stainless steel represents an alternative to repair of concrete structures, but it remains understudied, particularly in the tropical marine environments of the Gulf of Mexico. In this paper, we analyze and discuss the infl uence of the anodic/cathodic area ratio on the galvanic behavior of local repairs conducted on small beams made of low-quality concrete and 304 stainless steel (SS) bars. Results from this experiment indicate that an aA/aC ratio of more than 5 causes a signifi cant decrease in the galvanic couple of the adjacent areas.
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