1. Member, ASCE
2. Assoc. Lect., Dept. of Constr. Engrg., Civ. Engrg. School, Tech. Univ. of Catalonia, Jordi Girona 1-3, Modul C-1, Barcelona 08034, Spain.
3. Prof., Dept. of Constr. Engrg., Civ. Engrg. School, Tech. Univ. of Catalonia, Jordi Girona 1-3, Modul C-1, Barcelona 08034, Spain.