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An electrochemical method for accelerated testing of chloride diffusivity in concrete

Zhang, T. / Gjorv, O.E.

In the present paper an electrochemical method for accelerated testing of chloride diffusivity in concrete is presented. The method is based on a theoretical relationship between chloride diffusivity and observed steady-state rate of chloride migration through the concrete. The concentration of the chloride source solution has a significant influence on the rate of chloride migration and, therefore, a correction factor for ionic interaction in the relationship is introduced. It is shown that the relationship can be used for calculation of chloride diffusivity under various testing conditions. Some experimental results are also presented.

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An electrochemical method for accelerated testing of chloride diffusivity in concrete

Zhang, T. / Gjorv, O.E.

In the present paper an electrochemical method for accelerated testing of chloride diffusivity in concrete is presented. The method is based on a theoretical relationship between chloride diffusivity and observed steady-state rate of chloride migration through the concrete. The concentration of the chloride source solution has a significant influence on the rate of chloride migration and, therefore, a correction factor for ionic interaction in the relationship is introduced. It is shown that the relationship can be used for calculation of chloride diffusivity under various testing conditions. Some experimental results are also presented.

An electrochemical method for accelerated testing of chloride diffusivity in concrete

Zhang, T. / Gjorv, O.E.

In the present paper an electrochemical method for accelerated testing of chloride diffusivity in concrete is presented. The method is based on a theoretical relationship between chloride diffusivity and observed steady-state rate of chloride migration through the concrete. The concentration of the chloride source solution has a significant influence on the rate of chloride migration and, therefore, a correction factor for ionic interaction in the relationship is introduced. It is shown that the relationship can be used for calculation of chloride diffusivity under various testing conditions. Some experimental results are also presented.

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Title:

An electrochemical method for accelerated testing of chloride diffusivity in concrete

Additional title:

Eine elektrochemische Methode zur schnelleren Bestimmung der Chloriddiffusion in Beton

Contributors:

Zhang, T. (author) / Gjorv, O.E. (author)

Published in:

Cement and Concrete Research ; 24 ; 1534-1548

Publication date:

1994

Size:

15 Seiten, 4 Bilder, 3 Tabellen, 40 Quellen

ISSN:

DOI:

https://doi.org/10.1016/0008-8846(94)90168-6

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Beton , Chlorid , Diffusion , Elektrochemie , Natriumchlorid , Ficksches Gesetz , elektrochemische Analyse , elektrochemische Zelle

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