An Experimental Study on the Effect of Curing Condition and Moisture Content Ratio on the Carbonation and Air Permeability of Concrete

양생조건 및 함수율이 콘크리트의 중성화 및 투기성에 미치는 영향에 관한 실험적 연구

Hardened concrete contains pores of varying types and sizes, and therefore the transport of air through concrete can be considered. The rate of permeability will not only depend on the continuity of pores, but also on the moisture contents in concrete. In this paper, the effects of curing conditions and moisture content ratios on the carbonation and air permeability are investigated according to the accelerated carbonation test. The results are follows. 1) Compressive strength, carbonation velocity and air permeability are influenced by the moisture content and curing method. 2) The relationship between carbonation velocity coefficient and air permeability coefficient has been quite well established.