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Proposal for an alternative operative method for determination of polarisation resistance for the quantitative evaluation of corrosion of reinforcing steel in concrete cooling towers

Abstract : This paper summarises the results obtained from numerical simulations of an operational measurement mode of polarisation resistance adapted for evaluating corrosion of reinforcing steel in concrete on cooling towers. A simple operational measurement mode of R-p, is proposed, adapted for cooling towers prone to corrosion due to carbonation. By means of numerical experimentations, calculation diagrams and semi-empirical equations are built involving the different influencing parameters: concrete cover to steel reinforcement, concrete resistivity and current intensity injected from the counter electrode. Finally, a first application of the proposed procedure for calculating the real value of R-p, in laboratory conditions is presented. (C) 2015 Elsevier B.V. All rights reserved.
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https://hal.insa-toulouse.fr/hal-01849777
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Submitted on : Thursday, July 26, 2018 - 2:42:30 PM
Last modification on : Friday, January 10, 2020 - 9:09:32 PM

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M. E. Mitzithra, Fabrice Deby, Jean-Paul Balayssac, J. Salin. Proposal for an alternative operative method for determination of polarisation resistance for the quantitative evaluation of corrosion of reinforcing steel in concrete cooling towers. Nuclear Engineering and Design, Elsevier, 2015, 288, pp.42--55. ⟨10.1016/j.nucengdes.2015.03.018⟩. ⟨hal-01849777⟩

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