1. Full Professor of Structural Mechanics, Dept. of Structural, Building and Geotechnical Engineering—Politecnico di Torino Corso Duca degli Abruzzi 24, 10129, Turin, Italy.
2. Postdoctoral Research Associate, Dept. of Structural, Building and Geotechnical Engineering—Politecnico di Torino Corso Duca degli Abruzzi 24, 10129, Turin, Italy (corresponding author).