The more durability of structures has been concerned, the more attention of maintenance has been given. Durability index is introduced to evaluate the state assessment in the precise safety of diagnosis in this paper. Two field data have been implemented to this proposal method. The priority of maintenance is also suggested using by this application.

• 추진호(정회원, 한국시설안전공단 일반도로팀 대리, 시공기술사, 박사과정) | Choo, Jin Ho
• 윤태국(정회원, 한국시설안전공단 일반도로팀 차장, 토질 및 기초기술사, 공학박사) | Yoon, Tae Gook
• 장영두(서울메트로 토건사업소 차장) | Jang, Young Doo
• 신용석(한국시설안전공단 진단본부 팀장) | Shin, Yong Suk