1. Deputy Senior Research Engineer, Shimizu Corporation, Institute of Technology, Echujima 3-4-17, Koto, Tokyo 135-8530, Japan (corresponding author).
2. Research Engineer, Shimizu Corporation, Institute of Technology, Echujima 3-4-17, Koto, Tokyo 135-8530, Japan.
3. General Manager, Shimizu Corporation, Institute of Technology, Echujima 3-4-17, Koto, Tokyo 135-8530, Japan.