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Chloride penetration into concrete in marine environment-Part II: Prediction of long term chloride penetration

Costa, A. / Appleton, J.

Abstract The development of chloride penetration models is essential for the assessment of the service life of concrete structures exposed to marine environment. Simple models derived from Fick's second law of diffusion are at present the best way to predict the chloride penetration in practical situations. However these models need to be calibrated with experimental results. This paper presents an experimental study where the parameters used in the penetration model were calibrated to allow the prediction of long term chloride content in concrete. The results showed that both the concrete cover and concrete quality requirements stated in the present codes need to be increased so that an acceptable service life can be achieved.

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Chloride penetration into concrete in marine environment-Part II: Prediction of long term chloride penetration

Costa, A. / Appleton, J.

Abstract The development of chloride penetration models is essential for the assessment of the service life of concrete structures exposed to marine environment. Simple models derived from Fick's second law of diffusion are at present the best way to predict the chloride penetration in practical situations. However these models need to be calibrated with experimental results. This paper presents an experimental study where the parameters used in the penetration model were calibrated to allow the prediction of long term chloride content in concrete. The results showed that both the concrete cover and concrete quality requirements stated in the present codes need to be increased so that an acceptable service life can be achieved.

Chloride penetration into concrete in marine environment-Part II: Prediction of long term chloride penetration

Costa, A. / Appleton, J.

Abstract The development of chloride penetration models is essential for the assessment of the service life of concrete structures exposed to marine environment. Simple models derived from Fick's second law of diffusion are at present the best way to predict the chloride penetration in practical situations. However these models need to be calibrated with experimental results. This paper presents an experimental study where the parameters used in the penetration model were calibrated to allow the prediction of long term chloride content in concrete. The results showed that both the concrete cover and concrete quality requirements stated in the present codes need to be increased so that an acceptable service life can be achieved.

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Title:

Chloride penetration into concrete in marine environment-Part II: Prediction of long term chloride penetration

Contributors:

Costa, A. (author) / Appleton, J. (author)

Published in:

Materials and Structures ; 32

Publication date:

1999

ISSN:

DOI:

https://doi.org/10.1007/BF02479627

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Chloride Content , Exposure Condition , Concrete Cover , Tidal Zone , Chloride Diffusion

Classification:

BKL: 56.45 Baustoffkunde / 51.30 Werkstoffprüfung, Werkstoffuntersuchung
Local classification TIB: 275/6500 / 250/6500

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