土質改良材としての製鋼スラグの強度改善効果について

概要

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Most muddy soils are difficult to reuse as construction materials because of high water content and low strength, and the disposal sites for soils have been decreasing. Therefore, it is very important to develop a significant improvement method for such soils from the view point of natural resource preservation and environmental impact mitigation. The purpose of this study is to clarify the possibility of non-aging steel slag acting as an additive which affects the strength characteristic of muddy soils.Results of this study suggest that the strength of the muddy soil mixed with non-aging steel slag increases because the water content of the muddy soil decreases by the absorption of slag. The larger the mixing rate of the steel slag, the higher the CBR of the treated soils becomes. Also, the effect on strength continues during the two-day aging period. However, remarkable results are obtainable within the first day after mixing.
明石工業高等専門学校の論文