ABSTRACT
The present research experimentally examined the effects of the initial degree of saturation on the permeation of chloride ions by an aqueous solution of sodium chloride being absorbed into a mortar test piece in which the initial degree of saturation was changed. Accompanying the increase in the initial degree of saturation, the permeability distance of the moisture becomes large, but the tendency that the permeability distance of the chloride ion becomes smaller was verified. At initial degrees of saturation of 50% and 75%, it was shown that it is possible for chloride ions to permeate due to factors other than the advection phenomenon. Further, it is thought that the permeation of chloride ions which accompanies the transportation of moisture occurs during drying in a dry-wet-cycle test, and the permeation of chloride ions associated with the transportation of liquid water (advection) predominates in saline reabsorption after drying.
