Electrical Resistivity of Concrete

Title :
Chloride resistance of concrete and its binding capacity – Comparison between experimental results and thermodynamic modeling

Authors :
Roman Loser, Barbara Lothenbach, Andreas Leemann, Martin Tuchschmid

Abstract :

The chloride resistance of concrete mixtures produced with different binders and water-to-binder ratios is determined by three different methods (natural chloride diffusion, accelerated chloride migration and conductivity measurement). The influence of mix design and type of binder are evaluated and related to porosity. The effect of chloride binding on chloride resistance is assessed by thermodynamic modeling and compared with chloride content measured with acid and water extraction.

Keywords :
Chloride binding, Chloride resistance, Concrete, Mineral admixtures, Thermodynamic modeling

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