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Modelling of reinforcement corrosion - Influence of concrete technology on corrosion development

Beck, M. / Isecke, B. / Lehmann, J.

Reinforcement corrosion is influenced by different parameters like resistivity of concrete, setting conditions and also by concrete technology. Moreover the presence of cathodic areas and the possibility of unhampered cathodic reaction influences the reinforcement corrosion. In the paper the development of corrosion without large cathodic areas, called self-corrosion, considering different concrete parameters, is studied. Within the scope of the analysis the influence of concrete technology on electrochemical parameters using specimens with small cathodic areas was confirmed. It was possible to monitor the corrosion development by electrochemical measurements. The influence of the main parameters, like chloride content and the kind of cement, was confirmed, too. The special surface of the specimens and the analysis of the corroded area will be optimized in on-going research to correlate the electrochemical values to real surfaces. Currently only tendencies and differences between varied parameters can be given.

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Modelling of reinforcement corrosion - Influence of concrete technology on corrosion development

Beck, M. / Isecke, B. / Lehmann, J.

Reinforcement corrosion is influenced by different parameters like resistivity of concrete, setting conditions and also by concrete technology. Moreover the presence of cathodic areas and the possibility of unhampered cathodic reaction influences the reinforcement corrosion. In the paper the development of corrosion without large cathodic areas, called self-corrosion, considering different concrete parameters, is studied. Within the scope of the analysis the influence of concrete technology on electrochemical parameters using specimens with small cathodic areas was confirmed. It was possible to monitor the corrosion development by electrochemical measurements. The influence of the main parameters, like chloride content and the kind of cement, was confirmed, too. The special surface of the specimens and the analysis of the corroded area will be optimized in on-going research to correlate the electrochemical values to real surfaces. Currently only tendencies and differences between varied parameters can be given.

Modelling of reinforcement corrosion - Influence of concrete technology on corrosion development

Beck, M. / Isecke, B. / Lehmann, J.

Reinforcement corrosion is influenced by different parameters like resistivity of concrete, setting conditions and also by concrete technology. Moreover the presence of cathodic areas and the possibility of unhampered cathodic reaction influences the reinforcement corrosion. In the paper the development of corrosion without large cathodic areas, called self-corrosion, considering different concrete parameters, is studied. Within the scope of the analysis the influence of concrete technology on electrochemical parameters using specimens with small cathodic areas was confirmed. It was possible to monitor the corrosion development by electrochemical measurements. The influence of the main parameters, like chloride content and the kind of cement, was confirmed, too. The special surface of the specimens and the analysis of the corroded area will be optimized in on-going research to correlate the electrochemical values to real surfaces. Currently only tendencies and differences between varied parameters can be given.

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Title:

Modelling of reinforcement corrosion - Influence of concrete technology on corrosion development

Contributors:

Beck, M. (author) / Isecke, B. (author) / Lehmann, J. (author)

Published in:

Materials and Corrosion ; 57 ; 914-919

Publication date:

2006

Size:

6 Seiten, 10 Bilder, 1 Tabelle, 14 Quellen

ISSN:

DOI:

https://doi.org/10.1002/maco.200604018

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Stahlbeton , Matte (Bewehrung) , Korrosion , Armierung , kathodische Reaktion , Probe , intensiostatische Prüfung , Portlandzement , Flugasche , Flugaschenzement , Chlorid , pH-Wert , Gewichtsverlust , Korrosionsversuch , Korrosionswiderstand

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