1. Dept. of Structural Engineering and Building Materials, Ghent Univ., Technologiepark-Zwijnaarde 60, Zwijnaarde 9052, Belgium (corresponding author). ORCID: .
2. Dept. of Structural Engineering and Building Materials, Ghent Univ., Technologiepark-Zwijnaarde 60, Zwijnaarde 9052, Belgium.
3. Professor, Dept. of Structural Engineering and Building Materials, Ghent Univ., Technologiepark-Zwijnaarde 60, Zwijnaarde 9052, Belgium. ORCID: