1. Institute for Structural Mechanics, Ruhr Univ. Bochum, Universitätsstraße 150, 44801 Bochum, Germany. ORCID: .
2. ILF Consulting Engineers, Werner-Eckert-Straße 7, 81829 Munich, Germany.
3. Institute for Structural Mechanics, Ruhr Univ. Bochum, Universitätsstraße 150, 44801 Bochum, Germany (corresponding author). ORCID: .
4. Institute of Concrete Structures, Ruhr Univ. Bochum, Universitätsstraße 150, 44801 Bochum, Germany. ORCID: .
5. Professor, Institute for Structural Mechanics, Ruhr Univ. Bochum, Universitätsstraße 150, 44801 Bochum, Germany.
6. Professor, Institute of Concrete Structures, Ruhr Univ. Bochum, Universitätsstraße 150, 44801 Bochum, Germany.