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논문 기본 정보

자료유형
학술저널
저자정보
Lee, Kwan-Ho (Dept. of Civil Eng., Kongju Univ.) Lee, Byung-Sik (Dept. of Civil Eng., Kongju Univ.) Cho, Kyung-Rae (Dept. of Civil Eng., Kongju Univ.)
저널정보
한국방재학회 한국방재학회논문집 한국방재학회논문집 제8권 제2호
발행연도
2008.1
수록면
105 - 110 (6page)

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초록· 키워드

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Flowable fill is generally a mixture of sand, fly ash, a small amount of cement and water. Sand is the major component of most flowable fill with waste materials. Various materials, including two waste foundry sands(WFS), an anti-corrosive waste foundry sand and natural soil, were used as a fine aggregate in this study. Natural sea sand was used for comparison. The flow behavior, hardening characteristics, and ultimate strength behavior of flowable fill were investigated. The unconfined compression test necessary to sustain walkability as the fresh flowable fill hardens was determined and the strength at 28-days appeared to correlate well with the water-to-cement ratio. The strength parameters, like cohesion and internal friction angle, were determined for the samples prepared by different curing times. The creep test for settlement potential was conducted. The data presented show that by-product foundry sand, an anti-corrosive WFS, and natural soil can be successfully used in controlled low strength materials(CLSM), and it provides similar or better properties to that of CLSM containing natural sea sand.

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