Journal of The Korean Society of Agricultural Engineers (한국농공학회논문집)

The Korean Society of Agricultural Engineers (한국농공학회)
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Flowability of High Flowable Concrete with Fly Ash and Lime Powder

플라이 애시와 석회석 미분말을 혼용한 고유동 콘크리트의 유동 특성

  • Published : 2006.07.01
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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.

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References

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  2. Durability Properties of Low Carbon Green Concrete vol.55, pp.6, 2013, https://doi.org/10.5389/KSAE.2013.55.6.011