Investigating the Impact of Fly ash and Copper Slag on ConcreteS. Pream Kumar, K.Vijay Sankar, U. Nandhini, M. Priyanka, D. Sriaishwarya, N. Lavanya and P. RagulE3S Web of Conf., 559 (2024) 04037DOI: https://doi.org/10.1051/e3sconf/202455904037