플라이 애시와 석회석 미분말을 혼용한고유동 콘크리트의 유동 특성
Flowability of High Flowable Concrete with Fly Ash and Lime Powder
0
조회
0
다운로드
3
인용
0
참고문헌
초록
Abstract
This study is performed to evaluate flowability of high flowable concrete using ordinary portland cement, crushed coarse aggregate, crushed sand, sea sand, fly ash, lime powder and superplasticizer.The slump flow and air content are increased with increasing the content of lime powder. But, the O-type funneling time and Box-type passing are decreased with increasing the content of lime powder.The slump flow, air content, O-type funneling time, Box-type passing and L-type filling of target compressive strength 21~27 MPa and 35~42 MPa at curing age 28 days are 47~50 cm and 56~60 cm, 4.2~5.5% and 4.0~5.7%, 8~12s and 5~10s, 4.3~5.0 cm and 3.4~5.0 cm, and excellent, respectively.These concrete can be used for high flowable concrete.
참고문헌 (9)
- "Mass concrete for dams and other massive structures Journal of the ACI", pp.8~11 (1970)
- "Drying shrinkage of ready- mixed high performance concrete", pp.300~305 (1994)
- "resistance to chloride ingress and carbonation", pp.825~831 (1997)
- "Effect of blending ratio of OPC BFS and fly ash properties of cement paste Proceedings of the Japan Concrete Institute", pp.23~24 (1993)
- "Self-compacting high performance concrete", 7(5), pp.33~41 (1995)
- "Durability of concrete with addition of lime stone powder", 175, pp.131~137 (1996)
- "Calcareous fillers and compressive strength of portland cement", 6(1), pp.367~376 (1976)
- "Flow properties of polypropylene fiber reinforced high flow concrete,", 48(2), pp.59~66 (2004)
- "A study on the properties of freshly mixed high performance concrete", 29(9), pp.427~432 (1999)