Development of chloride induced reinforcement corrosion in cracked concrete after application of a surface protection system

F. Hiemer, S. Keßler, C. Gehlen

Publikation: Beitrag in Buch/Bericht/KonferenzbandKonferenzbeitragBegutachtung

4 Zitate (Scopus)

Abstract

Crack formation is inherent for Reinforced Concrete (RC) structures. The reduction of the concrete’s barrier property against chlorides often leads to a local depassivation of the reinforcement. A macro-cell corrosion element is formed in the cracked area.To protect direct driven concrete surfaces such as in multi-storey car parks, German Standards demand the application of surface coatings. In a research project, basic electrochemical parameters of reinforcement corrosion are measured on cracked RC beams to investigate the influence of an applied surface coating on the corrosion process. The paper presents results of the short-time chloride exposure and discusses the development of these parameters throughout the coating period. Furthermore first findings from the destructive investigation are presented. Chloride contamination led to active corrosion whereas after the coating macro-cell corrosion mostly decreased.

OriginalspracheEnglisch
TitelConcrete Solutions - Proceedings of Concrete Solutions, 6th International Conference on Concrete Repair, 2016
Redakteure/-innenKosmas Sideris, Ioanna Papayianni, Michael G. Grantham
Herausgeber (Verlag)CRC Press/Balkema
Seiten595-602
Seitenumfang8
ISBN (Print)9781138030084
PublikationsstatusVeröffentlicht - 2016
Veranstaltung6th International Conference on Concrete Repair, 2016 - Thessaloniki, Griechenland
Dauer: 20 Juni 201623 Juni 2016

Publikationsreihe

NameConcrete Solutions - Proceedings of Concrete Solutions, 6th International Conference on Concrete Repair, 2016

Konferenz

Konferenz6th International Conference on Concrete Repair, 2016
Land/GebietGriechenland
OrtThessaloniki
Zeitraum20/06/1623/06/16

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