Numerical Modeling of Steel Corrosion in Concrete Structures due to Chloride Ion, Oxygen and Water Movement

概要

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A comprehensive numerical system is proposed for the attempt to solve the problem of the deterioration of reinforced concrete structures subjected to chloride-induced corrosion. This numerical system was created by combining the physicochemical models related to the migration of corrosion-related substances in concrete, such as chloride ions, oxygen and vapor, and the electrochemical models dealing with the formation of half-cell potential from the viewpoints of macrocell corrosion and corrosion current of RC members under chloride-induced corrosion. Chloride ions concentration, oxygen concentration, water content, current density and the loss of cross-sectional area at any position of the rebar can be calculated by this system.
公益社団法人日本コンクリート工学会の論文