1. Researcher, Dept. of Civil and Environmental Engineering, Universidad Politécnica de Cataluña, Jordi Girona 1-3, Barcelona 08034, Spain (corresponding author).
2. Full Professor, Dept. of Civil and Environmental Engineering, Universidad Politécnica de Cataluña, Jordi Girona 1-3, Barcelona 08034, Spain.
3. Full Professor, Dept. of Civil Engineering, Universidad Nacional de Colombia, Manizales 170002, Colombia.