1. Fellow, ASCE
2. Prof., Univ. of Calabria, Dept. of Struct. Engrg., 87030 Rende (CS), Italy.
3. Prof., Univ. of Sheffield, Dept. of Mech. Engrg., Sheffield, S1 3JD, U.K.
4. Res. Assoc., Univ. of Calabria, Dept. of Struct. Engrg., 87030 Rende (CS), Italy.