1. Research Scientist of Geotechnical Engineering, Dept. of Structural Engineering, Milan Univ. of Technology (Politecnico), Piazza L. da Vinci, 32, 20133, Milan, Italy.
2. Professor of Geotechnical Engineering, Dept. of Structural Engineering, Milan Univ. of Technology (Politecnico), Piazza L. da Vinci, 32, 20133, Milan, Italy.