EFFECTIVENESS OF CORROSION INHIBITORS AND GGBS IN ENHANCING DURABILITY OF REINFORCED CONCRETE STRUCTURES EXPOSED TO CHLORIDE-RICH ENVIRONMENTS
DOI:
https://doi.org/10.55766/sujst8731Keywords:
Corrosion inhibitors, Reinforced concrete, Diethanolamine, Chloride penetration, Electrochemical evaluationAbstract
Corrosion presents a severe threat to the durability of reinforced concrete (RC) structures, particularly those exposed to chloride-rich environments. This study evaluates the efficacy of corrosion inhibitors, including calcium nitrate, sodium nitrate, and diethanolamine, incorporated at 3% by weight of cement in preventing corrosion in RC. In addition, to enhance sustainability and strength, 40% of the cement was replaced with ground granulated blast furnace slag (GGBS). Corrosion resistance was assessed through electrochemical evaluations. Diethanolamine exhibited superior inhibitory performance in both electrochemical studies. The findings suggest that using GGBS and inhibitors, particularly diethanolamine, enhances the corrosion re-sistance and durability of RC structures.
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