The Effect of Corrosive Environment on Geopolymer Concrete Tensile Strength Ridho Bayuaji, Sigit Darmawan, Nur Ahmad Husin, Boedi Wibowo, Srie Subekti, Mohd Mustafa Al Bakri Abdullah and Totok Ruki Biyanto MATEC Web Conf., 97 (2017) 01036 Published online: 01 February 2017 DOI: 10.1051/matecconf/20179701036