1. Civil Engineer and Researcher, Faculty of Civil Engineering, National Technical Univ. of Athens, Laboratory of Reinforced Concrete, 9 Iroon Polytechniou St., Zografou 15780, Greece (corresponding author). ORCID: .
2. Professor Emeritus, Faculty of Civil Engineering, National Technical Univ. of Athens, Laboratory of Reinforced Concrete, 9 Iroon Polytechniou St., Zografou 15780, Greece. ORCID: .
3. Professor, Faculty of Civil Engineering, National Technical Univ. of Athens, Laboratory of Reinforced Concrete, 9 Iroon Polytechniou St., Zografou 15780, Greece. ORCID: .