Steel cables are frequently used for various infrastructures. Especially the steel cables in long span bridges are critical members Damage at cable members can occur in the form of cross sectional loss caused by corrosion and fracture. Therefore, NDE of steel cable is needed to measure the cross-sectional damage. In this study, Total Magnetic Flux sensor system was applied to monitor the condition of cables. This system measures total magnetic flux to detect the loss of metallic cross section area(LMA) of steel cable. To verify the feasibility of this study, 2 types of steel bar were fabricated and their output values measured by the search coil in total flux sensor.

• 김기덕(세종대학교 건설환경공학과) | Kim, Ki Deok
• 김성연(세종대학교 건설환경공학과) | Kim, Sung Yeon
• 박수영(맥센, 자기센서, 회로설계 팀장) | Park, Soo Yeong
• 박승희(성균관대학교 사회환경시스템공학과, 조교수) | Park, Seung Hee
• 이종재(세종대학교 건설환경공학과, 조교수) | Lee, Jong Jae Corresponding Author