1. Civil Engineering Department, Nuclear Facilities Division, Taisei Corporation 1-25-1 Nishi Shinjuku, Shinjuku-ku, Tokyo 163-0606, Japan
2. Advanced Analysis Technology Department, Nuclear Facilities Division, Taisei Corporation 1-25-1 Nishi Shinjuku, Shinjuku-ku, Tokyo 163-0606, Japan
3. Urban Engineering Research Department, Technology Center, Taisei Corporation 344-1 Nase-cho, Totsuka-ku, Yokohama-shi, Kanagawa 245-0051, Japan
4. Earthquake Research Institute, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-0032, Japan