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This report is aimed at checking effect, and quality evaluation of the curing compound which are applied on concrete surfaces. In the experiment, carbonation and chloride permeability were measured on the concrete specimens with the curing compound where various conditions are adopted for hardened concrete properties. The effect which applies the curing compound is large with the shrinkage-reducing agent in carbonation resistance. Chloride permeability resistance is large in Silan impregnation. Next, it was examined whether rapid air-permeability speed could estimate the effect. As a result, evaluation of carbonation resistance is strictly difficult and that of chloride permeability resistance has not been performed at all.

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