Mechanical Activation of OPC for Lower Strength UHPC with Reduced Silica Fume ContentAlbert Kuncoro, Antoni Antoni, Juan Felix Indrianto, Jonathan Rayhan, Tri Eddy Susanto and Djwantoro HardjitoE3S Web Conf., 445 (2023) 01036DOI: https://doi.org/10.1051/e3sconf/202344501036