Sustainable heavy concrete additives: Evaluating granite-based solutions for eco-efficient constructionDuman Dusembinov, Zhibek Zhantlessova, Aliya Altynbekova, Lyailya Kabdyrova, Serik Yenkebayev and Denis TsygulyovE3S Web Conf., 614 (2025) 02004DOI: https://doi.org/10.1051/e3sconf/202561402004