Authors : Sujata D. Ingale; Priyanka S. Taware

Volume/Issue : Volume 10 - 2025, Issue 9 - September

Google Scholar : https://tinyurl.com/yhhrz37y

Scribd : https://tinyurl.com/yukne3xe

DOI : https://doi.org/10.38124/ijisrt/25sep567

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Abstract : Researchers are looking at sustainable alternatives to partially replace cement in concrete because the growing need for cement production greatly increases greenhouse gas emissions. This study explores the use of Alccofine, an ultrafine and seashell powder as supplemental cementitious material (SCM), a waste product rich in calcium, together as a sustainable cement alternative. Alccofine improves pozzolanic activity and micro-flling qualities, while seashell powder, which is made from abandoned marine shells, provides a natural source of calcium carbonate. The effects of varying cement replacement amounts with seashell powder and Alccofine on the workability and compressive strength were investigated. The findings show that regulated partial replacement lowers cement consumption while increasing strength and improved particle packing and subsequent hydration. This study demonstrates how natural trash and industrial byproducts can be used to create environmentally friendly concrete with enhanced performance qualities.

Keywords : Supplemental Cementitious Material, Alccofine, Seashell, Compressive Strength.

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