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: This study investigated the environmental risk for up-cycling of air-cooled ladle furnace slag (LFS) and evaluated the mortar compressive strength of binary and ternary blended cements using LFS of 3, 5, 10 wt%. Based on the Soil Environment Conservation Act standard, there was no environmental risk of the up-cycling of LFS. Results of mortar compressive strength assesment showed that the compressive strength of two blended cements using LFS of lower than 5 wt% was about 1.1 times superior to that of un-substituted cement (ordinary portland cement, OPC); however the compressive strength of those with LFS of 10 wt% decreased with 10% compared with that of OPC. Key Words : Air-cooled Ladle Furnace Slag Recycle, Binary And Ternary Blended Cement, Compressive Strength Assesment :  /         up-cycling    .   ․        up-cycling        3 ‘’       ,     .         ,          , 2  3  ,     .   ,   5 wt%       28      1.1  .

daehan hwan'gyeong gonghag hoeji/daehan hwan-gyeonggonghakoeji

Up-cycling of Air-cooled Ladle Furnace Slag : Environmental Risk Assessment and Mortar Compressive Strength Assesment of Binary and Ternary Blended Cement Using Air-cooled Ladle Furnace Slag