1. Civil Engineer and Architecture Student, Pontificia Univ. Javeriana, Carrera 7 No. 40-62, Edificio Gabriel Maldonado Piso 1, Bogotá 110231, Colombia (corresponding author).
2. Professor and Head of the Structures Research Group, Dept. of Engineering, Pontificia Univ. Javeriana, Carrera 7 No. 40-62, Edificio Gabriel Maldonado Piso 1, Bogotá 110231, Colombia.