도장이 필요없는 내후성강 박스거더 상부 플랜지외부면 방식제 주입을 통한 방식공법 연구
The study on the protection method from corrosion by the sealant injection on the unpainted weathering steel top flange outer surface of box girder
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초록
In corrosion-sensitive area of exsisting unpainted weathering steel bridge with closed box girder structure. there are some serious local corrosion problems because of rain water or dew water which can not besolved by conventional maintenance method. These problems must be technically controled because of theinfluence on the safety of bridge. This study is the first stage of developing the economic corrosion controlmanual for these local corrosion problems. Through the injecting experiment of tar sealant into the creviceof mock-up equipment, it was proofed that the corrosive sealant can be useful to corrosion control at creviceof corrosion sensitive area.
Abstract
In corrosion-sensitive area of exsisting unpainted weathering steel bridge with closed box girder structure. there are some serious local corrosion problems because of rain water or dew water which can not besolved by conventional maintenance method. These problems must be technically controled because of theinfluence on the safety of bridge. This study is the first stage of developing the economic corrosion controlmanual for these local corrosion problems. Through the injecting experiment of tar sealant into the creviceof mock-up equipment, it was proofed that the corrosive sealant can be useful to corrosion control at creviceof corrosion sensitive area.
참고문헌 (6)
- E. H. Lee, "Corrosion and Corrosion Protection manual of Korea", pp.220~ (1998)
- A study of Anti-corrosion Method for Unpainted Wethering steel Bridge, "E. H. Lee", ~
- E. H. Lee, "Anti-corrosion Manual for Unpainted Wethering steel bridge", pp.190~ (2005), Construction (GOV.)
- KICAT, "Stop! Bridge breakdown, Gas explosion, Soil contamination", 46~ (2005)
- Kicat, "The principal of Corrosion and Corr-osion protection", 24~ (2000)
- "Weathering steel box girder bridges inside the best way technology and maintenance instructions unmarked draft development plan the first year annual earnings", 39~ (2013)