Optimizing the Acid Resistance of Concrete with Granulated Blast-Furnace Slag Rolf Breitenbücher, Jan Bäcker, Sebastian Kunz, Andreas Ehrenberg and Christian Gerten MATEC Web Conf., 199 (2018) 02001 Published online: 31 October 2018 DOI: 10.1051/matecconf/201819902001