Assessment of the Effectiveness of Butler-Volmer Equation to Predict Corrosion Rate in Cathodically Protected Structures

Arpit Goyal; Homayoon Sadeghi Pouya; Esmaiel Ganjian

Assessment of the Effectiveness of Butler-Volmer Equation to Predict Corrosion Rate in Cathodically Protected Structures

Arpit Goyal, Homayoon Sadeghi Pouya, Esmaiel Ganjian

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding › peer-review

1 Citation (Scopus)

162 Downloads (Pure)

Abstract

Various reinforced concrete structure around the world, such as bridges are exposed to aggressive chloride environment, hence, start to corrode after short service period. The main reason for the deterioration of these structures is corrosion of steel
reinforcement due to chlorides. Poor quality concrete and low cover are contributory factors. The cost of repairing or replacing the deteriorated structure has become the major concern for the asset owners. One of the most successful and substantiated
techniques of protecting structure from corrosion is cathodic protection (CP). The BSEN ISO 12696 performance criteria followed for monitoring CP efficiency is evolved from the experimental analysis and may not be always correct. This paper suggests a improved method for monitoring corrosion rate through Butler Volmer equation using the polarization data. This method has been applied to one year CP monitoring data from a viaduct site. It was observed that corrosion rate was reducing with time, showing the effectiveness of CP to protect the steel in structure. Prediction of corrosion rate of the steel from potential shift forms the basis for the improved CP performance criterion for reinforced concrete structures. Information about the actual corrosion rate would be beneficial to predict the true state of steel reinforcement and accordingly apply a suitable repair technique to extend the service life of RC structures.

Original language	English
Title of host publication	Fifth International Conference on Sustainable Construction Materials and Technologies (SCMT5)
Editors	Eshmaiel Ganjian, Peter Claisse, Mukesh Limbachiya, Mohammadreza Bagheri
Pages	353-363
Number of pages	10
Volume	2
Publication status	Published - 15 Jul 2019
Event	5th International Conference on Sustainable Construction Materials and Technologies, SCMT 2019 - Kingston upon Thames, United Kingdom Duration: 14 Jul 2019 → 17 Jul 2019 Conference number: 5 https://www.kingston.ac.uk/events/item/2839/14-jul-2019-fifth-international-conference-on-sustainable-construction-materials-and-technologies-scmt5/

Publication series

Name
ISSN (Print)	2515-3048
ISSN (Electronic)	2515-3056

Conference

Conference	5th International Conference on Sustainable Construction Materials and Technologies, SCMT 2019
Abbreviated title	SCMT 2019
Country/Territory	United Kingdom
City	Kingston upon Thames
Period	14/07/19 → 17/07/19
Internet address	https://www.kingston.ac.uk/events/item/2839/14-jul-2019-fifth-international-conference-on-sustainable-construction-materials-and-technologies-scmt5/

Bibliographical note

Copyright © and Moral Rights are retained by the author(s) and/ or other copyright owners. A copy can be downloaded for personal non-commercial research or study, without prior permission or charge. This item cannot be reproduced or quoted extensively from without first obtaining permission in writing from the copyright holder(s). The content must not be changed in any way or sold commercially in any format or medium without the formal permission of the copyright holders.

Keywords

Corrosion
Cathodic Protection
Potential Shift
Butler Volmer equation
Corrosion Rate

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Cite this

Assessment of the Effectiveness of Butler-Volmer Equation to Predict Corrosion Rate in Cathodically Protected Structures. / Goyal, Arpit; Sadeghi Pouya, Homayoon; Ganjian, Esmaiel.
Fifth International Conference on Sustainable Construction Materials and Technologies (SCMT5). ed. / Eshmaiel Ganjian; Peter Claisse; Mukesh Limbachiya; Mohammadreza Bagheri. Vol. 2 2019. p. 353-363.

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding › peer-review

Goyal, A, Sadeghi Pouya, H & Ganjian, E 2019, Assessment of the Effectiveness of Butler-Volmer Equation to Predict Corrosion Rate in Cathodically Protected Structures. in E Ganjian, P Claisse, M Limbachiya & M Bagheri (eds), Fifth International Conference on Sustainable Construction Materials and Technologies (SCMT5). vol. 2, pp. 353-363, 5th International Conference on Sustainable Construction Materials and Technologies, SCMT 2019, Kingston upon Thames, United Kingdom, 14/07/19.

Goyal, Arpit ; Sadeghi Pouya, Homayoon ; Ganjian, Esmaiel. / Assessment of the Effectiveness of Butler-Volmer Equation to Predict Corrosion Rate in Cathodically Protected Structures. Fifth International Conference on Sustainable Construction Materials and Technologies (SCMT5). editor / Eshmaiel Ganjian ; Peter Claisse ; Mukesh Limbachiya ; Mohammadreza Bagheri. Vol. 2 2019. pp. 353-363

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AB - Various reinforced concrete structure around the world, such as bridges are exposed to aggressive chloride environment, hence, start to corrode after short service period. The main reason for the deterioration of these structures is corrosion of steelreinforcement due to chlorides. Poor quality concrete and low cover are contributory factors. The cost of repairing or replacing the deteriorated structure has become the major concern for the asset owners. One of the most successful and substantiatedtechniques of protecting structure from corrosion is cathodic protection (CP). The BSEN ISO 12696 performance criteria followed for monitoring CP efficiency is evolved from the experimental analysis and may not be always correct. This paper suggests a improved method for monitoring corrosion rate through Butler Volmer equation using the polarization data. This method has been applied to one year CP monitoring data from a viaduct site. It was observed that corrosion rate was reducing with time, showing the effectiveness of CP to protect the steel in structure. Prediction of corrosion rate of the steel from potential shift forms the basis for the improved CP performance criterion for reinforced concrete structures. Information about the actual corrosion rate would be beneficial to predict the true state of steel reinforcement and accordingly apply a suitable repair technique to extend the service life of RC structures.

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Assessment of the Effectiveness of Butler-Volmer Equation to Predict Corrosion Rate in Cathodically Protected Structures

Abstract

Publication series

Conference

Bibliographical note

Keywords

Access to Document

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Cite this