1. Associate Professor, Dept. of Civil and Environmental Engineering, Universidad del Norte, km 5 via Pto. Colombia, Bloque C, Piso 3, Barranquilla, Atlántico 081007, Colombia.
2. Assistant Professor, Dept. of Civil and Environmental Engineering, Universidad del Norte, km 5 via Pto. Colombia, Bloque C, Piso 3, Barranquilla, Atlántico 081007, Colombia (corresponding author).