Use of silica fume as a replacement of cement in the concrete Uma Reddy, Swaminathan P, Ch. Vijendar Reddy, Sorabh Lakhanpal, Lalit Kumar Tyagi, Muntadar Muhsen and Irfan Khan E3S Web of Conf., 529 (2024) 01036 Published online: 29 May 2024 DOI: 10.1051/e3sconf/202452901036