혼화재에 의한 콘크리트의 고강도화에 관한 실험 연구(I) -쇄석 콘크리트를 대상으로-

The High-Strengthing of Concrete with Admixture -On the Crushed Stone Concrete

The purpose of this study is to raise the strength of concrete with admixture. The natural zeolites and mud stone, abundant in this country, were used as admixture for high-strengthening of concrete. Proper workability was gained by using the superplasticizer. The optimum replacement ratio of zeolite mud stone was 10% on unit -cement amount. At these optimum replacement ratio, the strength development over the plain concrete was 34% for zeolite and 16% for mud stone. Through this study, we concluded the natural zeolite and mud stone were adequate admixture for the high-strengthening of concrete.