EuroGeo 6 - 2016 Ljubljana Slovenia Performance of geomembranes seldom used in hydraulic works, installed in the experimental field of El Saltadero B. Mateo, E. Aguiar, F. Farcas, F.J. Sánchez, J.B. Torregrosa, M. Blanco, M. Redón, N. Touze-Foltz, T. Vara Access