Microstructure analysis of cement pastes and high-strength concrete incorporated diatomaceous earth damaged due to Na2SO4 attackYella Aprilia, Muttaqin Hasan, Nora Abdullah, Mahlil and Taufiq SaidiE3S Web Conf., 621 (2025) 01008DOI: https://doi.org/10.1051/e3sconf/202562101008