Proceedings of the KSR Conference (한국철도학회:학술대회논문집)
- 2005.11a
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- Pages.1184-1189
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- 2005
A Study for Development of Durability of the Subway Concrete Structure exposed to Choride Environment
염해 환경에 있는 지하철 콘크리트 구조물의 내구성 향상 대책수립에 관한 연구
- Published : 2005.11.01
Abstract
Durability of concrete has been currently issued in the engineering societies and a large number of studies on the concrete corrosion in salty environment have been performed. The reinforcement corrosion, which is the primary reason of deterioration of the concrete structure exposed to chloride environment. is caused by the chloride ions infiltration owing to underground water seeping into the concrete. In this study. the endurance periods using the diffusion equation of the concrete specification have been evaluated on the concrete structures with different addictives for the brand new R/C subway structure exposed to seashore underground water. Furthermore. the guidance for proper use of the addictives and the reasonable thickness of concrete cover are derived for concrete mixing. From the result of the evaluation corresponding to salt damage for Inchon subway line I, the endurance periods of the ordinary Portlandcement concretes are represented as
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