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급속 동결융해 실험을 통한 콘크리트의 노후화 평가

Evaluation of Aging of Concrete Material Through Rapid Freezing-Thawing Test Method

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한국구조물진단유지관리공학회 (The Korea Institute For Structural Maintenance and Inspection)
초록

Concrete structures are exposed to complex degradation environments depending on their environmental characteristics. The concrete members of bridges are exposed to water and salt by rivers and oceans, and there is always a possibility of freezing and thawing damage in the upper and lower part of the bridge due to the continuous heat and heavy snow in summer and winter. In this study, a freeze-thaw test method which indirectly evaluates the strength reduction of concrete according to the repeated cycle of freezing and thawing was proposed, and the strength reduction rate was measured by using the concrete specimen. As a result, the concrete strength was reduced by 20% in freeze-thaw test method. In the future, it can be used as a basic data of the study on strength of each cycles.

목차
Abstract
 1. 서 론
 2. 동결융해시험
 3. 콘크리트 압축강도 평가
 4. 결 론
 참고문헌
저자
  • 권민호(경상대학교 토목공학과) | Kwon Min Ho
  • 김진섭(경상대학교 토목공학과) | Kim Jin Sup
  • 정영석(경상대학교 토목공학과) | Jeong Yeong Seok
  • 권규빈(경상대학교 토목공학과) | Kwon Gyu Bin