Long / Short Term Experimental Study on Chloride Penetration in Cracked Concrete

In Seok Yoon; Erik Schlangen

doi:10.4028/www.scientific.net/KEM.417-418.765

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 417-418Long / Short Term Experimental Study on Chloride...

Long / Short Term Experimental Study on Chloride Penetration in Cracked Concrete

Abstract:

This study is focused on examining the effect of cracks on chloride penetration into concrete. In order to get reliable results, short-term and long term experiments were set up and chloride penetration behaviour through cracks was examined. It was noticed that chloride penetration through cracks tends to decrease with time. One of the explanations is crack-healing. Especially, this trend was obvious in concrete samples with larger crack width. However, measuring the border between chloride contaminated zone and healthy zone was clear in concrete of short-term experiment, while it was ambiguous in long term experiment.

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Periodical:

Key Engineering Materials (Volumes 417-418)

Pages:

765-768

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.417-418.765

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Online since:

October 2009

Authors:

In Seok Yoon, Erik Schlangen

Keywords:

Chloride Penetration, Crack, Deterioration, Durability of Concrete

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References

[1] I. S. Yoon, E. Schlangen, M. de Rooij, K. van Breugel, The Effect of Cracks on Chloride Penetration into Concrete, , Key Engineering Materials, Vol. 348-349, pp.769-772, (2007).

DOI: 10.4028/www.scientific.net/kem.348-349.769

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[2] NT Build 492, Concrete, Mortar and Cement-Based Repair Materials- Chloride Migration Coefficient from Non-Steady-State Migration Experiment, (a): Long term experiment (b) : Short term experiment Figure 7 Chloride profile in concrete.

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