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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 Rehabilitation Method of Electrochemical Chloride Extraction by an Engineering View
Author(s): E. Monteiro, P. Helene, and A. Carneiro
Publication: Special Publication
Appears on pages(s): 109-120
Keywords: chloride ions; corrosion; electrochemical chloride extraction; reinforced concrete
Abstract:This present work presents a electrochemical chloride extraction in concrete containing chlorides. The main variables in the tests were water/cement and concrete cover, which are variables easily controlled by civil engineers. Chloride penetration in the test specimens was carried out in two distinct ways, namely in a salt spray chamber and through semi cycles of drying and partial immersion. The influence of concrete cover and water/cement on the efficiency of electrochemical method was assessed by determining the initial and the final chloride contents. The test results confirm that this method extracted chloride ions successfully. On average, this method removed 77% to 91% of the content initial chloride at a distance of 0.5 cm from the surface, and 50% to 79% of the content initial chloride near the rebars.
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