1. Assistant Professor, Dept. of Civil Engineering, Lisbon Engineering Superior Institute (ISEL), Rua Conselheiro Emídio Navarro 1, 1959-007 Lisboa, Portugal (corresponding author).
2. Research Officer, Dept. of Materials, National Laboratory for Civil Engineering (LNEC), Av. do Brasil 101, 1700-066 Lisboa, Portugal.
3. Associate Professor, Dept. of Civil Engineering, Civil Engineering Research and Innovation for Sustainability (CERIS), ICIST, Nova Univ. of Lisbon (UNL), Campus da Caparica, 2829-516 Caparica, Portugal.