Abstract: The fundamental concept of corrosion inhibition is the development of a stable compound with the metal surface and the formation of an adsorption complex with the metal oxide. This study evaluated the effect of salt water on reinforced concrete structures located in the costal marine environment. Corrosion accelerated simulated process was performed on non-coated and khaya senegalensis exudates / resins coated specimens for 150 days period and evaluate the actions of half cell potential, concrete resistivity and tensile strength of reinforcing steel embedded in concrete and exposed to corrosion. Results of concrete resistivity ρ, kΩcm against potential Ecorr,mV relationship showed averaged potential Ecorr control percentile average value of 30.33509% and percentile difference -69.6649% over 235.1921% corroded specimen. Results of concrete resistivity ρ, kΩcm percentile average value of 183.4935% and percentile difference 83.49351% over -30.1921% corroded specimen. Mechanical properties “ultimate strength” of control specimen value of 93.71429% and percentile difference -6.28571% over 7.138101% corroded specimen. Mechanical properties “weight loss of steel” of control percentile average value of 53.50441% and percentile difference -46.4956% over 91.49347% corroded. Mechanical properties “cross- section area reduction” of control specimen with percentile average value of 118.5055% and percentile difference 18.50551% over -15.6157% corroded specimen. Control specimens result showed no corrosion potential due to the presence of inhibitory exudates / resins that acted as an insulator to reinforcing steel embedded in corrosive environment
Keywords: Corrosion, Corrosion inhibitors, corrosion potential, concrete resistivity and Steel Reinforcement.
Title: Half-cell potential Measurement of Concrete Resistivity of Exudates Layered Reinforcement in Chloride threshold Corrosive Environment
Author: Terence Temilade Tam Wokoma, Daso Dokibo, Charles Kennedy
International Journal of Civil and Structural Engineering Research
ISSN 2348-7607 (Online)
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