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Abstract This paper investigates the performance of carbon fibre reinforced polymer (CFRP) as a dual function material in combined impressed current cathodic protection and structural strengthening of reinforced concrete structures.… Click to show full abstract
Abstract This paper investigates the performance of carbon fibre reinforced polymer (CFRP) as a dual function material in combined impressed current cathodic protection and structural strengthening of reinforced concrete structures. Tests in solution showed that CFRP maintain stable electrical conductivity after 80 d accelerated anodic polarization. Results suggest that oxygen evolution occurring at low chloride ion concentration ([Cl−]) primarily damages the carbon fibre, while chlorine evolution occurring at high [Cl−] primarily damages the epoxy resin. The tensile strength of CFRP after anodic polarization decreases with increasing circulated charge, and, for a given circulated charge, it increases with increasing [Cl−].
Journal Title: Construction and Building Materials
Year Published: 2017
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