Meri Masni Yanti

Compressive Strength Optimization of Concrete Containing Calcined Shell Powder as a Partial Cement Replacement

Ordinary Portland cement (OPC) production contributes substantially to global anthropogenic CO₂ emissions, motivating research into low-carbon supplementary cementitious materials. Shell waste from coastal seafood processing, abundant in Indonesia including West Sumatra, is rich in calcium carbonate and may improve con...