1. Prof. of Struct. Engrg. and Head, Inst. of Struct. Engrg., Univ. of Ancona, via Brecce Bianche, Monte D'Ago, 60131, Ancona, Italy. E-mail: dezi@popcsi.unian.it
2. Postdoct. Res., Inst. of Struct. Engrg., Univ. of Ancona, via Brecce Bianche, Monte D'Ago, 60131, Ancona, Italy.
3. Res. Asst., Inst. of Struct. Engrg., Univ. of Ancona, via Brecce Bianche, Monte D'Ago, 60131, Ancona, Italy.
4. Assoc. Prof., Dept. of Engrg. Sci., Univ. of Modena, via Campi 213/B, 41100, Modena, Italy. E-mail: tarantino@unimo.it