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The physical properties,grading stability and application stability of the steel slag special fine aggregate(diameter≤0.8 mm) at Baosteel were analyzed in this study,and the mechanical and working properties were studied when the aggregate was applied to concrete.The result shows that the aggregate has special advantages of hardness and wear-resistance,so it can be used as an excellent road surface material.The concrete mixed with the steel slag special fine aggregate exhibits good mechanical properties and working properties,which is safe and reliable.
The physical properties, grading stability and application stability of the steel slag special fine aggregate (diameter ≦ 0.8 mm) at Baosteel were analyzed in this study, and the mechanical and working properties were studied when the aggregate was applied to concrete.The result shows that that the aggregate has special advantages of hardness and wear-resistance, so it can be used as an excellent road surface material. concrete mixed with the steel slag special fine aggregate exhibits good mechanical properties and working properties, which is safe and reliable.