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|Title: ||Towards arresting reinforced concrete corrosion-a review|
|Authors: ||Christodoulou, Christian|
Goodier, Chris I.
Glass, Gareth K.
|Issue Date: ||2018|
|Publisher: ||© The Authors. Published by EDP Sciences|
|Citation: ||CHRISTODOULOU, C., GOODIER, C.I. and GLASS, G.K., 2018. Towards arresting reinforced concrete corrosion-a review. MATEC Web of Conferences, 199: 05001.|
|Abstract: ||© 2018 The Authors, published by EDP Sciences. This work reviews developments in the understanding of chloride induced corrosion of steel in concrete from both a kinetic and thermodynamic perspective. Corrosion damage is at least in part attributed to the production of acid at sites of corrosion initiation. Solid phase inhibitors provide a reservoir of hydroxyl ions to inhibit damage. Pit re-alkalisation is identified as an important protective effect in electrochemical treatments used to arrest corrosion. A process like pit re-alkalisation is achieved more easily by impressing current from sacrificial anodes using a power supply which may then be followed by low maintenance galvanic protection to prevent local acidification. Methods for monitoring the steel corrosion rate in electrochemically treated reinforced concrete have been developed and used to assess corrosion risk. Some of these concepts have been adopted in the recent international standard on cathodic protection, ISO 12696:2016, some of the amendments of which are considered in the work presented here.|
|Description: ||This paper was presented at the International Conference on Concrete Repair, Rehabilitation and Retrofitting (ICCRRR 2018), Cape Town, 19-21st Nov. This is an Open Access paper. It is published by EDP Sciences under the Creative Commons Attribution 4.0 Unported Licence (CC BY). Full details of this licence are available at: http://creativecommons.org/licenses/by/4.0/|
|Publisher Link: ||https://doi.org/10.1051/matecconf/201819905001|
|Appears in Collections:||Conference Papers and Presentations (Architecture, Building and Civil Engineering)|
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