An Experimental Study on the Mechanical Properties of Concrete Utilizing Crushed Sand and Very Fine Sand

부순모래와 석분을 사용한 콘크리트의 역학적 특성에 관한 실험적 연구

The results of an experimental study on the mechanical properties of concrete utilizing crushed sand for construction materials are persented in this paper. As the results show, the workability, compressive strength and drying shrinkage were improved by propeer contents of replaced crushed sand. And the workability, compressive strength and drying shinkage were decreased by increasing very fine sand. Also, the suitable weight contents of replacing ratio of crushed sand in concrete using crushed sand were in range of about 30%. And the use of crushed sand containing very fine sand under the permitted limit by regulated KS F 2558 has not very much problems in concrete.