Nowadays, finger joints have been more popular than rail type joints due to their many merits: easiness to maintain, low noise, etc. However, finger joints have some demerits too. This paper investigates the damage of finger joints installed at a curved PSC box girder bridge. The analytical results show that the damage of finger joints of the curved bridge is caused by thermal expansion and imperfect installation of the joints.

• 강상규(정회원, 한국도로공사 도로교통연구원 선임연구원) | Kang, Sang Gyu
• 강형택(정회원, 한국도로공사 도로교통연구원 수석연구원) | Kang, Hyeong Taek
• 장동휘(정회원, 한국도로공사 도로교통연구원 박사후연구원) | Jang, Dong Hui