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Effect of Corrosion Inhibitors in Limestone Cement

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DOI: 10.4236/msa.2013.412A003    3,236 Downloads   4,887 Views   Citations

ABSTRACT

In this paper examines the improving durability of different limestone cement and effects of the use of corrosion inhibitor. The target is to experimentally investigate the effect of different types of cement in corrosion of reinforcement in presents of corrosion inhibitors and without it. Three types of cement have been used: CEM II, LC1 and LC2. For this purpose constructed mortar specimens, containing 4 reinforcements, with or without corrosion inhibitors for each group, these exhibited to partial immersion in sodium chloride in 3.5% w.t NaCl solution. The methods, with which the corrosion of reinforcement in concrete was tested, were measurements of corrosion potential, corrosion current and mass loss of reinforcement. The mortars with CEM II cement have better durability than that with limestone cement. The use of VpCI, Cyclohexylammonium benzoate, improves the corrosion protection of mortars with CEM II cement upper 50%. On the other hand, the addition of VpCI, Cyclohexylammonium benzoate, improves the corrosion protection of mortars with limestone cement 30% or lower.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

E. Zacharopoulou, A. Zacharopoulou, A. Sayedalhosseini, G. Batis and S. Tsivilis, "Effect of Corrosion Inhibitors in Limestone Cement," Materials Sciences and Applications, Vol. 4 No. 12A, 2013, pp. 12-19. doi: 10.4236/msa.2013.412A003.

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