In this study, long term monitoring of tensile force of pre-tensioned prestressing strand embedded in UHPC ribbed deck by means of FBG sensor encapsulated into 7-wire prestressing strand. Based on the monitoring result for two years, it was confirmed that the technique proposed in this study offers efficient and robust way of monitoring the internal prestress of pre-tensioned PSC structures.

• 김현우(한국시설안전공단 특수교유지관리센터 직원, 공학석사) | Kim, Hyun Woo
• 김재민(전남대학교 해양토목공학과 교수, 공학박사) | Kim, Jae Min
• 이동은(금광기업(주) 사원, 공학석사) | Lee, Dong Eun
• 최송이(전남대학교 대학원 건설환경공학과, 석사과정) | Choi, Song Yi
• 박성용(한국건설기술연구원 인프라구조연구실 연구위원, 공학박사) | Park, Sung Yong