Flexural behaviour of hybrid fibre reinforced concrete beams made with various packing factors and fine to total aggregate ratioV Siva Prasad Raju, Gorla Jayasri, V Srinivasa Reddy and A Naga Sai BabaE3S Web Conf., 309 (2021) 01060DOI: https://doi.org/10.1051/e3sconf/202130901060