1. JSPS Postdoctoral Fellow, Dept. of Architecture and Building Engineering, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo 152-8550, Japan (corresponding author).
2. Professor, Dept. of Architecture and Building Engineering, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo 152-8550, Japan.
3. Assistant Professor, Dept. of Architecture and Building Engineering, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo 152-8550, Japan.
4. Graduate Student, Structural Engineering Research Center, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo 152-8550, Japan.