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Comparing the steel-concrete interface state and its electrochemical impedance

Dhouibi-Hachani, L. / Triki, E. / Grandet, J. / Raharinaivo, A.

The object of this investigation is to validate a model of electrical impedance of steel-concrete interface, which has been previously published. In this model, a part of the impedance is related with the products formed directly on steel. Another part of the impedance corresponds to the transition zone between steel and concrete. The third part corresponds to the inhomogeneity of the products formed at the interface. The validation of this model was obtained by testing reinforced concrete specimens made of three cements and aged in solutions containing chloride or sulphate. The results obtained with measuring electrochemical impedance were compared with the actual condition of steel.

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Comparing the steel-concrete interface state and its electrochemical impedance

Dhouibi-Hachani, L. / Triki, E. / Grandet, J. / Raharinaivo, A.

The object of this investigation is to validate a model of electrical impedance of steel-concrete interface, which has been previously published. In this model, a part of the impedance is related with the products formed directly on steel. Another part of the impedance corresponds to the transition zone between steel and concrete. The third part corresponds to the inhomogeneity of the products formed at the interface. The validation of this model was obtained by testing reinforced concrete specimens made of three cements and aged in solutions containing chloride or sulphate. The results obtained with measuring electrochemical impedance were compared with the actual condition of steel.

Comparing the steel-concrete interface state and its electrochemical impedance

Dhouibi-Hachani, L. / Triki, E. / Grandet, J. / Raharinaivo, A.

The object of this investigation is to validate a model of electrical impedance of steel-concrete interface, which has been previously published. In this model, a part of the impedance is related with the products formed directly on steel. Another part of the impedance corresponds to the transition zone between steel and concrete. The third part corresponds to the inhomogeneity of the products formed at the interface. The validation of this model was obtained by testing reinforced concrete specimens made of three cements and aged in solutions containing chloride or sulphate. The results obtained with measuring electrochemical impedance were compared with the actual condition of steel.

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Title:

Comparing the steel-concrete interface state and its electrochemical impedance

Additional title:

Vergleich von Stahl-Beton-Grenzflächenzuständen und elektrochemischer Impedanz

Contributors:

Dhouibi-Hachani, L. (author) / Triki, E. (author) / Grandet, J. (author) / Raharinaivo, A. (author)

Published in:

Cement and Concrete Research ; 26 ; 253-266

Publication date:

1996

Size:

14 Seiten, 6 Bilder, 6 Tabellen, 12 Quellen

ISSN:

DOI:

https://doi.org/10.1016/0008-8846(95)00214-6

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

armierter Beton , Stahl , Beton , Grenzschicht , Widerstand (elektrische Größe) , Elektrochemie , Zement , Pore , Theorie-Experiment-Vergleich , Wasserabbinden von Zement , Passivierung , Magnesiumsulfat , pH-Wert , Einflussgröße , Korrosion , Impedanz

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