Do we have any empirical model to model the combined effect of carbonation and chloride attack in concrete concerning time-dependent temperature, relative humidity and concentration of carbon dioxide?
Dear Murali
Corrosion of reinforcing steel in concrete structures is induced by two chemical attacks: chloride attack or carbonation. Carbonation is control by the amount of CO2 in the air and generally happens in an industrial city where there is a lot of industrial activity. Besides, chloride attacks take place in the structure expose to seawater. Models have been developed to predict the depth of carbonation and the chloride ingress. Nevertheless, the recent literature does not mention a model to predict simultaneously the carbonation and chloride attack.
I encourage you to carry out research on this good topic
Regards
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