Influence of different ways of chloride contamination on the efficiency of cathodic protection applied on structural reinforced concrete elements

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Títol: Influence of different ways of chloride contamination on the efficiency of cathodic protection applied on structural reinforced concrete elements
Autors: Carmona Calero, Jesús | Climent, Miguel-Ángel | Garcés, Pedro
Grups d'investigació o GITE: Durabilidad de Materiales y Construcciones en Ingeniería y Arquitectura
Centre, Departament o Servei: Universidad de Alicante. Departamento de Ingeniería Civil
Paraules clau: Cathodic protection | Cathodic prevention | Chloride penetration | Saline environment | Reinforced concrete
Àrees de coneixement: Ingeniería de la Construcción
Data de publicació: 15-de maig-2017
Editor: Elsevier
Citació bibliogràfica: Journal of Electroanalytical Chemistry. 2017, 793: 8-17. doi:10.1016/j.jelechem.2016.08.029
Resum: Cathodic protection is a method to protect reinforced concrete structures located in saline environments against corrosion effect produced by Cl− penetration. But there are significant differences among these aggressive environments. The aim of this article is to show how different ways of saline contamination can affect the efficiency of cathodic protection. For this research, a series of laboratory specimens representing structural elements were subjected to two versions of cathodic protection (cathodic protection strictly speaking, and cathodic prevention), while two different ways of saline contamination were applied (permanent immersion in a NaCl solution and periodic pouring of discrete amounts of a NaCl solution in atmospheric exposure). Depending on the saline environment, differences in the efficiency of cathodic protection were detected. Results can be useful to determine the specific features of the cathodic protection to be applied in each case, taking into account both the initial Cl− content of the structural element and the particular saline environment where it is located.
Patrocinadors: This research was funded by the Spanish Ministerio de Economía y Competitividad (and formerly by the Spanish Ministerio de Ciencia e Innovación) and European Regional Development Fund (ERDF) through projects BIA2010-20548 and MAT2009-10866, respectively, and also through the project PROMETEO/2013/035 of Generalitat Valenciana (Spain).
URI: http://hdl.handle.net/10045/68571
ISSN: 1572-6657 (Print) | 1873-2569 (Online)
DOI: 10.1016/j.jelechem.2016.08.029
Idioma: eng
Tipus: info:eu-repo/semantics/article
Drets: © 2016 Elsevier B.V.
Revisió científica: si
Versió de l'editor: http://dx.doi.org/10.1016/j.jelechem.2016.08.029
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