J. Phys. IV France
Volume 136, November 2006
Page(s) 63 - 70
Publié en ligne 22 décembre 2006
Corrosion and Long Term Performance of Concrete in NPP and Waste Facilities
V. L'Hostis, F. Foct and D. Féron
J. Phys. IV France 136 (2006) 63-70

DOI: 10.1051/jp4:2006136007

Influence of the temperature on the chloride transport through cementitious materials

T.S. Nguyen, S. Lorente and M. Carcasses

Laboratoire Matériaux et Durabilité des Constructions, Institut National des Sciences Appliquées, Université Paul Sabatier (INSA/UPS), 135 avenue de Rangueil, 31077 Toulouse, France

(Published online 22 December 2006)

This paper focuses on the effect of different temperature levels on the chloride penetration through a saturated CEM I cementitious materials. The temperatures studied were 5, 21 and 35 $^{\circ}$C. In addition to experiments, a model based on the multi-ionic diffusion is proposed. It is highlighted that the temperature level has no impact on the chloride binding during immersion tests in NaCl solution, for the marine environment concentrations. The chloride diffusivity increases with the temperature on the basis of the Arrhenius relation. Finally, experimental results are in good agreement with the numerical profiles.

© EDP Sciences 2006