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Behavior of reinforced concrete structures Corrosion of rebars

This article provides information to help assess the behavior of reinforced concrete structural elements in the presence of reinforcement corrosion. It reviews the origins of the physico-chemical mechanisms responsible for the corrosion of reinforcement in reinforced concrete, gives an overview of approaches to modeling the behavior of civil engineering structural elements affected by corrosion and, finally, presents a comparative study between two modeling approaches based on a simple structural element.

In the first part, a few elements were presented to help distinguish the two cases of corrosion commonly encountered in civil engineering: carbonation corrosion and chloride corrosion. In the case of carbonation or generalized corrosion, corrosion tends to appear uniformly along the length of steel reinforcement, whereas in the case of chlorides, it is common to...