1. Ph.D. Student, CESUR, Dept. of Civil Engineering, Architecture and Georesources, Instituto Superior Técnico (IST), Technical Univ. of Lisbon, Av. Rovisco Pais 1049-001, Lisboa, Portugal.
2. Assistant Professor, CESUR, Dept. of Civil Engineering, Architecture and Georesources, Instituto Superior Técnico (IST), Technical Univ. of Lisbon, Av. Rovisco Pais 1049-001, Lisboa, Portugal (corresponding author).