한국구조물진단유지관리공학회 학술발표대회 논문집 2014 한국구조물진단유지관리공학회 봄 학술발표 논문집 (p.24-27)

데이터융합을 이용한 중립축 기반 PSC교량 긴장력 모니터링

Tendon Force Monitoring of PSC Bridges using Neutral Axis Assessed by Data Fusion

초록

In prestressed concrete (PSC) bridges, structural damage such as concrete cracks is related to the shift of the neutral axis due to the reduction in tendon forces. As such, monitoring the tendon force is important to maintain PSC bridges and prolong its remaining life. However, measuring the tendon force of PSC bridges in service is challenging. This study proposes a data fusion-based tendon force monitoring method using acceleration and strain responses. The proposed approach is validated using a PSC bridge model in the Pukyung National University.