Current bridge load carrying capacity evaluation method requires FE model and field test to get the dynamic response. This paper shows a economic and convenient technique to trace the variation of the load carrying capacity of bridges, based on fundamental frequency measured under actual traffic flow.

• 박경훈(한국건설기술연구원, 구조융합연구소, 수석연구원, 공학박사) | Park Kyung-Hoonk
• 노화성(전북대학교, 토목공학과, 조교수, 공학박사) | Roh Hwasung 교신저자