1. Empa, Swiss Federal Laboratories for Materials Science and Technology, CH-8600 Duebendorf, CH (Corresponding author), e-mail: alvaro.garcia@empa.ch
2. Division of Infrastructure and Geomatics, Faculty of Engineering, Univ. of Nottingham, University Park, NG7 2RD, UK.
3. Department of Civil and Environmental Engineering, University of Bío-Bío, Concepción, CL, e-mail author contact: norambuenaje@gmail.com
4. Empa, Swiss Federal Laboratories for Materials Science and Technology, CH-8600 Duebendorf, CH.
5. School of Architecture and the Build Environment, KTH Stockholm, Highway and Railway Engineering, 100 44 Stockholm, SE.