Utilization of Rice Husk Ash as a Replacement for Sodium Silicate in Geopolymer Concrete: A Study on Alkaline Molarity OptimizationS. Pream Kumar, A. Chithambar Ganesh and K. Vijay SankarE3S Web Conf., 648 (2025) 01013DOI: https://doi.org/10.1051/e3sconf/202564801013