This study introduces abnormal noise phenomenon of steel deck plate bridge which have not been mentioned in the literature or reports. The abnormal noise occurred from the time when the girder was installed and the welding was completed. And it had continued after the bridge opened. In this study, firstly, the characteristics of abnormal noise is analyzed. Also it presents the mechanism of noise generation.

• 이일근(한국도로공사 도로교통연구원 책임연구원, 공학박사) | Lee, Il Keun Corresponding author
• 장태순(한국도로공사 도로교통연구원 책임연구원, 공학박사) | Chang, Tae Sun
• 박영환(나노빅엔지니어링 대표, 소음진동기술사) | Park, Young Hwan
• 이호준(한국도로공사 경주지사 차장) | Lee, Ho Jun
• 박창호(한국도로공사 도로교통연구원 연구위원, 공학박사) | Park, Chang Ho