밀폐 박스거더형 무도장 내후성강 교량의 부식취약부에 대한방식대책 연구(Ⅱ)
The anti-corrosion study on the corrosion-sensitive areas of unpainted weathering steel bridges with closed box girder(Ⅱ)
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초록
This study is the second stage of developing the corrosion control technical manual about unpainted weathering steel bridge with closed box girder structures. This paper contains selection of corrosive sealant to apply into crevice of upper flange, injecting test of sealant at mock-up equipment with various condition, evaluation of experiment result. Through the experiment of injection of sealants into crevice of mock-up equipment, it is proved that the tar sealant injecting corrosion control method is useful to protect corrosion at box girder upper flange corroded by remaning rain water with calcium chloride.
Abstract
This study is the second stage of developing the corrosion control technical manual about unpainted weathering steel bridge with closed box girder structures. This paper contains selection of corrosive sealant to apply into crevice of upper flange, injecting test of sealant at mock-up equipment with various condition, evaluation of experiment result. Through the experiment of injection of sealants into crevice of mock-up equipment, it is proved that the tar sealant injecting corrosion control method is useful to protect corrosion at box girder upper flange corroded by remaning rain water with calcium chloride.
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)