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The importance of using sintered fly ash aggregates (SFAs) as coarse aggregate and metakaolin (MK) as partial replacement of cement for generating sustainable concrete has been accessed in this research. For this, concrete mixes are designed by replacing 0%, 15%, 30%, and 45% natural coarse aggregates (NCAs) by SFA and incorporating 0%, 10%, 15%, and 20% MK in place ordinary Portland cement (OPC)...
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