1. Project Leader, Empa, Structural Engineering Research Laboratory, Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, Dübendorf CH-8600, Switzerland (corresponding author).
2. Ph.D. Candidate, Dept. of Concrete Structures, Łódź Univ. of Technology, 90-924 Łódź, Poland.
3. Senior Scientist, Empa, Structural Engineering Research Laboratory, Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, Dübendorf CH-8600, Switzerland.
4. Associate Professor, Dept. of Concrete Structures, Łódź Univ. of Technology, 90-924 Łódź, Poland.
5. Research Assistant, ETHZ, Swiss Federal Institute of Technology Zurich, Institute of Structural Engineering, Stefano-Franscini-Platz 5, CH-8093 Zürich, Switzerland; Empa, Swiss Federal Laboratories for Materials Science and Technology, Structural Engineering Research Laboratory, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland.
6. Professor, Laboratory Head, Empa, Structural Engineering Research Laboratory, Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, Dübendorf CH-8600, Switzerland.