It will use the Schmidt hammer law, the supersonic waves speed law and the composition law in the concrete Korean mandolin lump examination law from the research which it sees consequently and proposal of the usual concrete and existing regarding the high-in-tensity concrete the comparison which will be cool it will analyze and compared to accurately the burglar presumption which is the possibility of buying the compressive strength of the concrete it will be cool and it proposes.

• 서교(경남과학기술대학교 토목공학과, 석사과정) | Seo, Gyo
• 오광진(한국시설안전공단 생활시설안전실 부장, 공학박사) | Oh, Kwang Jin
• 오홍섭(경남과학기술대학교 토목공학과, 부교수, 공학박사) | Oh, Hong Seob
• 김민욱(경남과학기술대학교 토목공학과, 석사과정) | Gim, Min Uk