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Durability Evaluation of Concrete Using Fine Sand of Nakdong-River
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  • Durability Evaluation of Concrete Using Fine Sand of Nakdong-River
  • Durability Evaluation of Concrete Using Fine Sand of Nakdong-River
저자명
Kwon. Soon-Oh,Bae. Su-Ho,Lee. Hyun-Jin
간행물명
Journal of the Korean Recycled Construction Resources Institute
권/호정보
2014년|2권 3호|pp.265-271 (7 pages)
발행정보
한국건설순환자원학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

It is strongly needed to investigate the fine sand as an alternative fine aggregate of well-graded river sand because the fine sand which is being enormously distributed in the midstream and downstream of Nakdong-River in Korea has a poor grading but good quality as a fine aggregate for concrete. Thus, the purpose of this experimental research is to evaluate the durability of concrete using the fine sand to utilize it actively as a fine aggregate. For this purpose, the concrete specimens using different fine sand were made for the specified concrete strength of 35MPa, and then their durability such as the resistance to freezing and thawing and carbonation, and drying shrinkage were evaluated. It was observed from the test results that the resistance to freezing and thawing and carbonation of concrete using the fine sand was similar to that of concrete using reference sand, but the drying shrinkage of concrete using the fine sand with small fineness was comparatively lager than that of concrete using reference sand.