Rheology of Cementitious Materials: Alkali-Activated Materials or Geopolymers F. Puertas, M.M: Alonso, S. Gismera, M. Lanzón and M.T. Blanco-Varela MATEC Web Conf., 149 (2018) 01002 Published online: 14 February 2018 DOI: 10.1051/matecconf/201814901002