Rhizophora mangle L. effects on steel-reinforced concrete in 0.5 M H2SO4: Implications for corrosion-degradation of wind-energy structures in industrial environments.
Okeniyi, Joshua Olusegun Loto, Cleophas Akintoye Popoola, Abimbola Patricia Idowu
Okeniyi, Joshua Olusegun
Loto, Cleophas Akintoye
Popoola, Abimbola Patricia Idowu
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Abstract
This paper studies corrosion inhibition and compressive-strength effect of Rhizophora mangle L. leaf-extract on steel-reinforced concrete in 0.5 M H2SO4, simulating industrial environment of wind-energy installations. Electrochemical monitoring and load bearing/compressive-strength testing were employed for different concentrations of the leaf-extract admixed in duplicated samples of steel-reinforced concretes, immersed in the test-system. Analyses of the experimental test-results, as per ASTM G16-95 R04, identified 0.1667% Rhizophora mangle L., per weight of cement, with optimum (very good) inhibition efficiency. Rhizophora mangle L. admixtures combined good inhibition efficiency with compressive-strength improvements in concretes. These bear implications for protecting wind-energy structures against corrosion-degradation in industrial environments.
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The International Conference on Technologies and Materials for Renewable Energy, Environment and Sustainability, TMREES14.
Date
2014-01-01
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Elsevier
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Keywords
Corrosion degradation, Steel-reinforced concrete, Sustainable wind-energy structures, Non-toxic and environmentally-frendly inhibitor, Industrial environmen, Inhibition efficiency, Compressive strength effects