Journal
CORROSION SCIENCE
Volume 51, Issue 2, Pages 415-425Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2008.10.034
Keywords
Steel reinforced concrete; Modelling studies; Polarization; Kinetic parameters
Funding
- Natural Sciences and Engineering Research Council of Canada (NSERC)
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The effect of temperature on the corrosion rate of steel corrosion in concrete is investigated through simulated polarization resistance experiments. The simulated experiments are based on the numerical solution of the Laplace's equation with predefined boundary conditions of the problem and have been designed to establish independent correlations among corrosion rate, temperature, kinetic parameters, concrete resistivity and limiting current density for a wide range of possible anode/cathode (A/C) distributions on the reinforcement. The results, which successfully capture the resistance and diffusion control mechanisms of corrosion as well as the effect of temperature on the kinetic parameters and concrete/pore solution properties, have been used to develop a closed-form regression model for the prediction of the corrosion rate of steel in concrete. (C) 2008 Elsevier Ltd. All rights reserved.
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