COMPARATIVE EVALUATION OF EPOXY TREATED REINFORCEMENT AND ENAMEL TREATED REINFORCEMENT

Saumya Ranjan Mohanty, P K Parhi

Abstract: TMT steel reinforcements were introduced in India during late 1970s.but these steel are affected by the corrosive environments. Considering the above issue, researchers developed application of fusion bonded Epoxy coating to steel reinforcing care to protect the steel from corrosion in a moist, humid,& aggressive environment. But these steels are so expensive due to a critical manufactureing process and not easily available in the country like India, Where as proper enamel coating to (TMT)steel reinforcement is a good substitute of epoxy coated reinforcement. This paper presents the comparative evaluation results conducted to assess in protecting the steel from corrosive environments. Therefore, this study focused on the corrosion resistance of three different enamel coatings, along with a standard epoxy coating, each of which were applied to both smooth and deformed steel bars and included both short-term and long-term test methods. The three enamel coatings tested within this study were: reactive enamel, pure enamel, and double enamel. The reactive enamel was obtained by combining pure enamel with calcium silicate (cement) at a 1-to-1 ratio by weight. The double enamel was composed of an inner layer of pure enamel and an outer layer of reactive enamel. Results obtained from the tests revealed that the pure and double enamel coatings provided a superior amount of protection when compared to the 50/50 enamel coating. However, the overall performance of the pure and double enamel coatings was limited by the manufacturing process, which resulted in significant variations in coating thickness.

Keywords: Corossion,Enamel,Epoxy,Reinforcement

DOI: https://doi.org/10.15623/ijret.2017.0606010