Earticle

초록

영어

combined effects of chemical actions by containing chlorides and the freeze-thaw action is also a problem which has not yet been fundamentally solved. Furthermore, surface deterioration of concrete was considered as accelerate factor of concrete durability tended to decrease. This study presents the experimental results of frost durability including resistance to freezing-thawing and suface scaling of concrete. Mixing design was proportioned with the various water-binder ratio between 0.37 and 0.47 and three different binder compositions corresponding to Type Ⅰ cement without any supplementary cementitious materials(OPC), Type Ⅱ cement with 50% blast-furnace slag replacement(BFS50), and ternary cement with Type Ⅲ cement, 15% fly sah, and 35% BFS replacement (BFS 35%+FA 15%).
Test results showed that the mixing design with BFS 50% and BFS 35%+FA 15% exhibited higher durability factor than that made with OPC only. Finally, the use of blend cement containing salg can be used effectively in terms of frost durability of the concrete exposed to severe condition like as coastal environment.

목차

Abstract
 1. 서론
 2. 실험계획 및 방법
  2.1 실험계획
  2.2 사용재료 및 배합
  2.3 콘크리트의 동결융해와 표면열화 평가방법
 3. 실험결과 및 고찰
  3.1 콘크리트의 기초물성 검토
  3.2 해수의 동결융해작용에 의한 내동해성 검토
 4. 결론
 참고문헌

키워드

내구성 동결융해시험 스케일링 평가 고로슬래그 염화물 이온 3성분계 콘크리트durability of concrete Freezing-thawing test Scaling deterioration evaluation scaling Blast-furnace slag chloride ion ternary concrete

저자

• 노경민 [ Roh Kyung-Min | 충남대학교 건축공학과 석사과정 ]
• 조봉석 [ Cho Bong-Suk | 충남대학교 건축공학과 박사과정 ]
• 김영덕 [ Kim Young-Duck | 충남대학교 건축공학과 박사과정 ]
• 이의배 [ Lee Eui-Bae | 충남대학교 건축공학과 박사과정 ]
• 김규용 [ Kim Gyu-Yong | 충남대학교 건축공학과 조교수, 공학박사 ]
• 김무한 [ Kim Moo-Han | 충남대학교 건축공학과 교수, 공학박사 ]

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