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Abstract. Carbonation and chloride ingress are considered to be the most severe mechanisms for steel corrosion in reinforced concrete structures. Here, the service life is traditionally divided into two main phases; the initial and the propagation ones. The initial phase was explored recently and the results show high influence of cracks on accelerating of carbonation and chloride ingress in concrete structures. Our model focuses now on the propagation period and predicts x corr for radial corrosion depth, including cracking and spalling of concrete cover. The presented models were implemented in ATENA software and demonstrate their application on a prestressed box-girder bridge. The simulation shows reinforcement corrosion due to carbonation and chloride ingress, and its impact on a bridge behavior during ULS analysis.

REINFORCEMENT CORROSION IN CONCRETE DUE TO CARBONATION AND CHLORIDE INGRESS UP AND BEYOND INDUCTION PERIOD