1. PhD candidate, Department of Civil Engineering, Yokohama National University, Yokohama, Japan; Engineer, Tokyo Electric Power Services Co., Division of PS Engineering Solution, Tokyo, Japan
2. Graduated student, Department of Civil Engineering, Yokohama National University, Yokohama, Japan
3. Former Graduate student, Department of Civil Engineering, Yokohama National University, Yokohama, Japan; Researcher, Central Research Institution of Electric Power Industry, Structural Engineering Sector, Chiba, Japan
4. Engineer, Tokyo Electric Power Services Co., Division of PS Engineering Solution, Tokyo, Japan
5. Manager, Tokyo Electric Power Services Co., Division of PS Engineering Solution, Tokyo, Japan
6. Professor Emeritus, The University of Tokyo, Tokyo, Japan; Professor, Department of Civil Engineering, Yokohama National University, Yokohama, Japan (corresponding author: )