Sodium silicate bonded waste foundry sand - A substitute for fine aggregates in concrete and a potential material for cement phase synthesisNayana P. Hoolikantimath, B.R. Ravikiran, K.G. Guptha, Raghuraj K. Rao and Praveen A. GhorpadeE3S Web Conf., 455 (2023) 03012DOI: https://doi.org/10.1051/e3sconf/202345503012