Proceedings of the Korean Institute of Building Construction Conference (한국건축시공학회:학술대회논문집)

The Korean Institute of Building Construction (한국건축시공학회)
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Properties of Fresh Mortar Mixed with Steel Furnace Slag Powder

제강슬래그 분말을 혼입한 굳지 않은 모르타르의 특성

  • 이정택 (한밭대학교 건설환경조경대학 건축공학과) ;
  • 이상수 (한밭대학교, 건설환경조경대학 건축공학과)
  • Published : 2023.11.10
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Abstract

Currently, research on construction materials using industrial by-products is being conducted in the Inhan construction industry due to CO2 emissions during the cement production process and a shortage of aggregates. Among these, research has been conducted to use steel furnace slag as an aggregate by reducing the reactivity of free-CaO, which has the characteristic of expanding through open storage, aging, and rapid cooling. However, research on the use of powder as a cement admixture or substitute is insufficient. Therefore, this study aims to analyze the properties of fresh mortar using steel furnace slag powder. The mixing ratio of steel furnace slag powder was divided into three levels: 0, 20, and 40 (%), and the test items were flow and unit weight. The experimental results showed that as the mixing ratio of steel furnace slag powder increased, flow and unit weight tended to increase. Therefore, it is expected to have a positive effect on improving workability or strength as a cement admixture.

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References

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