An Experimental Study on Chlorine-ion and Carbonation Resistance of the Spun-Concrete Used Recycled Aggregate and Fiber

순환골재 및 Fiber를 사용한 원심력 콘크리트의 염소이온 및 탄산화 저항성에 대한 시험적 고찰

Until now, the quantity to recycle wasted concrete as the great supplementary value was very little. But considering a insufficiency of the present state of aggregates, the recycling of wasted aggregates is indispensable. Recycled aggregate is useful resources for concrete, but its application to structural member is not frequently. In this an experimental study here in, this study is to reinforcement orientation containing fiber of the spun-concrete using recycled aggregate, evaluation of designed chlorine-ion and carbonation resistance. The result of study chlorine-ion resistance by using replacement ratios ($0.00\%,\;0.01\%,\;0.03\%,\;0.05\%,\;0.08\%$) of fiber which it more increase. Carbonated thickness of the spun-concrete used fiber and the normal spun-concrete was similar or it appeared with the tendency which it diminishes.