Flexural behaviour of steel fibre reinforced concrete beams made with copper slag as partial fine aggregate replacementDAS Mohd Areef, P Srinivasa Rao, V Srinivasa Reddy and D Mohd Azeem ZubairE3S Web Conf., 184 (2020) 01077DOI: https://doi.org/10.1051/e3sconf/202018401077