1. Member, ASCE
2. Assoc. Prof., DISEG, Dept. of Struct. and Geotech. Engrg., Univ. of Genoa, Via Montallegro 1, 16145 Genoa, Italy.
3. Prof. and Head, DISEG, Dept. of Struct. and Geotech. Engrg., Univ. of Genoa, Via Montallegro 1, 16145 Genoa, Italy.