Journal
CORROSION SCIENCE
Volume 51, Issue 12, Pages 2857-2862Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2009.08.020
Keywords
Steel reinforced concrete; Modelling studies; Cathodic protection
Funding
- DGAPA of UNAM, Mexico
- CSIC, Spain
- Centre of Excellence in Novel Materials (CENM)
- COLCIENCIAS of Colombia
- Project Geoconcret
- CICYT, Spain [BIA2008-05398]
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Cathodic protection (CP) is considered to be the only rehabilitation method for chloride-induced rebar corrosion in reinforced concrete structures. The protection current distribution depends on several parameters, such as the geometry and number of rebars and the concrete resistivity. In order to investigate the influence of concrete resistivity on the possibilities and limitations of rebar protection, this paper presents a numerical approach based on the finite element method (FEM) in conjunction with laboratory results to determine its impact on the CP of alkali-activated slag mortar. An ordinary Portland cement was also tested for comparative purposes. (C) 2009 Elsevier Ltd. All rights reserved.
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