In this study, To evaluate the durability of concrete by freezing-thawing, relative dynamic modulus of elasticity and surface roughness were measured. The results showed that the surface roughness can be used to understand the damage tendency of freezing-thawing and the durability of concrete.

• 이빛나(한국건설기술연구원, 구조융합연구소, 신진연구원) | Lee, Binna
• 이종석(한국건설기술연구원, 구조융합연구소, 연구위원) | Lee Jong Suk 교신저자
• 양능원(한국건설기술연구원, 구조융합연구소, 신진연구원) | Yang, Neung Won