A Study on the intensity of the concrete which is made out of the steel bar and cement which is imported from foreign.

수입용 철근 및 시멘트를 사용한 콘크리트의 강도 조사 연구

As new city apartment construction of five brought about the short of the domestic output rocal construction materials , therefore the construction materials have been in part imported from foreign, here it is important that it is ensured the warranty of the quality for the construction materials lacking K.S. mark. Therefore in this research, we are trying to grasp the degree of strength of the concrete made as the cement from china and the intensity power of the estimate for the quality of construction materials and the guide in making a construction.