밀폐 박스거더형 무도장 내후성강 교량의 부식취약부에 대한 방식대책 연구(Ⅰ)
The anti-corrosion study on the corrosion-sensitive areas of unpainted weathering steel bridges with closed box girder(Ⅰ)
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초록
In corrosion-sensitive areas of exsisting unpainted weathering steel bridges with closed box girder structures. there are some serious local corrosion problems because of rain water or dew water which can not be solved by exsisting maintenance methods. These problems must be controled technically because of bad. influence on the safety of bridge. This study is the first stage of developing the economic corrosion control manual for these local corrosion problems. Through the injection of tar sealant into the crevice of mock-up equipment, it was prooved that the corrosive sealant can be useful to corrosion control at crevice of corrosion sensitive area.
Abstract
In corrosion-sensitive areas of exsisting unpainted weathering steel bridges with closed box girder structures. there are some serious local corrosion problems because of rain water or dew water which can not be solved by exsisting maintenance methods. These problems must be controled technically because of bad. influence on the safety of bridge. This study is the first stage of developing the economic corrosion control manual for these local corrosion problems. Through the injection of tar sealant into the crevice of mock-up equipment, it was prooved that the corrosive sealant can be useful to corrosion control at crevice of corrosion sensitive area.
참고문헌 (4)
- E. H. Lee, "Corrosion and Corrosion Protection manual of Korea", DongHwa Technoiogy, 220~ (1998)
- E. H. Lee, "Anti-corrosion Manual for Unpainted Wethering steel bridge", Construction (GOV.), 190~ (2005)
- KICAT, "Stop! Bridge breakdown, Gas explosion, Soil contamination", 46~ (2005)
- KICAT, "The principal of Corrosion and Corr-osion protection", 24~ (2000)