Department;
of;
Engineering,;
University;
of;
Sannio,;
Piazza;
Roma,;
21,;
82100,;
Benevento,;
Italy;
Department;
of;
Structural;
Engineering,;
University;
of;
Naples;
"Federico;
II",;
via;
Claudio,;
21,;
80125;
Naples,;
Italy;