The purpose of this study is to propose the decision making code of need for repair and strengthening in concrete bridges. First, to propose the decision making code, the guidelines and codes for a decision making of repair and strengthening and state assesment in United States and Japan were investigated and analyzed. Based on the investigated and analysis data, The decision making code of need for repair and strengthening that is divided into seven kinds of deterioration and damage is proposed. Through the proposed codes, rational and objective decision making of need for repair and strengthening is expected.

• 최진웅(성균관대학교 건설환경시스템공학과 박사과정, 정회원) | Choi, Jin Woong
• 계승경(성균관대학교 건설환경시스템공학과 석사과정, 정회원) | Kye, Seung Kyung
• 정지은(성균관대학교 건설환경시스템공학과 석사과정, 정회원) | Jung, Ji Eun
• 오광진(한국시설안전공단 시설안전연구소 차장, 정회원) | Oh, Kwang Chin
• 박선규(성균관대학교 건설환경시스템공학과 교수, 정회원) | Park, Sun Kyu