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Steel and Composite Structures Volume 9, Number 1, February 2009 , pages 77-87 DOI: https://doi.org/10.12989/scs.2009.9.1.077 |
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Influence of polyvinylpyrrolidone on rebar corrosion in sulphate solution |
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A. Ali Gurten, Emel Bayol, Kadriye Kayakirilmaz and Mehmet Erbil
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| Abstract | ||
| This paper reports the results of an experimental investigation of the polyvinylpyrrolidone (PVP) influence on the steel reinforcement corrosion and compressive strength of concretes in sulphate medium. The effect of admixture of PVP in concrete on the corrosion resistance of steel reinforced concrete was assessed by measuring electrochemical test during 60 days immersion in two different external solutions. AC impedance spectrum indicated that the resistance of PVP mixed electrodes were higher than those without PVP. The compressive strength of concrete specimens containing PVP was measured and an increase of 19%~24% was observed. | ||
| Key Words | ||
| reinforcing steel; corrosion; polyvinylpyrrolidone; AC impedance; sulphate. | ||
| Address | ||
| A. Ali Gurten, Emel Bayol and Kadriye Kayakirilmaz; Department of Chemistry, Faculty of Science and Art, Ni de University, 51200, Ni de, Turkey Mehmet Erbil; Department of Chemistry, Faculty of Science and Art, Cukurova University, 01330 Adana, Turkey | ||