1. Researcher, Dept. of Engineering, Univ. of Palermo, 90128 Palermo, Italy (corresponding author). ORCID: .
2. Ph.D. Student, Dept. of Engineering, Univ. of Palermo, 90128 Palermo, Italy.
3. Assistant Professor, Dept. of Structural, Building, and Geotechnical Engineering, Polytechnic Univ. of Turin, 10129 Turin, Italy.
4. Professor, Dept. of Engineering, Univ. of Palermo, 90128 Palermo, Italy.