1. Assistant Professor, Ph.D. Candidate, Dept. of Strength of Materials and Engineering Structures, Univ. Politècnica de Catalunya, ETSEIAT, c/Colom 9, 08222, Terrassa, Spain.
2. Associate Professor, Dept. of Strength of Materials and Engineering Structures, Univ. Politècnica de Catalunya, Jordi Girona 1-3, 08034 Barcelona, Spain.
3. Professor, Dept. of Construction Engineering, Univ. Politècnica de Catalunya, Jordi Girona 1-3, 08034 Barcelona, Spain.