*Kazuhiko Funada¹, Hikaru Hotta¹, Toshihiro Mori², Masaharu Endou², Shiniti Hamaguti³, Hiroyuki Hashida³ (1. Maeta Concrete Industry Co.,Ltd., 2. Kumagai Gumi Co.,Ltd., 3. Yokohama Wright Industries Co.,Ltd.)

*ENDOU Masaharu¹, MORI Toshihiro¹, FUNADA Kazuhiko², HOTTA Hikaru², HASHIDA Hiroyuki³, HAMAGUCHI Shinichi³ (1. KUMAGAI GUMI Co.,Ltd., 2. MAETA Concrete Industry Co.,Ltd., 3. YOKOHAMA WRIGHT Industries Co.,Ltd.)

*Hashida Hiroyuki¹, Hamaguchi Shinichi¹, Funada Kazuhiko², Hotta Hikaru², Mori Toshihiro³, Endou Masaharu³ (1. YOKOHAMA WRIGHT industries co.,Ltd, 2. MAETA Concrete Industry Co.,Ltd, 3. KUMAGAIGUMI Co.,Ltd)

*Ikeda Kohei¹, Tsutomu Namikawa² (1. Ex Shibaura Institute of Technology, 2. Shibaura Institute of Technology)

*Kobayashi Makiko¹, Tadafumi Fujiwara¹, Kiyonobu Kasama² (1. Taisei Corporation, 2. Kyushu University)

*Takuhiro Takahashi¹, Takeshi Taguchi¹, Toshihiro Ogino¹, Yugo Ishikawa¹, Hideaki Yamada² (1. Akita University, 2. MAEDA Corporation)

*Numajiri Hibiki¹, Tsuchiya Nobuaki², Miura Toshihiko², Kurokawa Daisuke³, Fujie Yudai³, Katoh Masahiko¹ (1. Meiji University, 2. Obayashi Corporation, 3. Taiheiyo Cement Corporation)