1. SOIS Autonomous Province of Trento, Piazza Dante 15, 38100 Trento, Italy, Institute of Hydraulics and Transportation Infrastructures, Engineering Faculty, Marche Polytechnical University, Via Brecce Bianche, 60131 Ancona, Italy, and Department of Science and Technology, University of Verona, Strada Le Grazie 15, Cà Vignal 37134 Verona, Italy