한국구조물진단유지관리공학회 학술발표대회 논문집 2014 한국구조물진단유지관리공학회 봄 학술발표 논문집 (p.39-42)

플레이트 거더교 덮개판 피로균열 원인 및 대책

The Cause and Repair of Fatigue Crack on Cover Plate in Plate-Girder Bridge

초록

Structure analysis and field instrumentation were carried out to understand the cause of crack taken place on a cover plate of a lower flange in plate-girder bridge.
A cause of the crack turn out to be fatigue stress so that the bridge is in need of repair and reinforcement such as surface grinding, rewelding after gouging and reinforcement for a part of welding on a cover plate.