*Toshihiro Ootake¹, Keiji Sasaki¹, Atsushi Matsumura¹, Daisuke Sasahara¹, Keigo Sato¹, Yuya Mitani¹, Megumu Ishizawa², Mochizuki Yusaku² (1. obayashi corporation, 2. solid systems corporation)

*Rumiko Abe¹, Osamu Tsujimoto¹, Atsushi Matsumura¹, Daisuke Sasahara¹, Keigo Sato¹, Yuya Mitani¹, Megumu Ishizawa², Yusaku Mochizuki² (1. OBAYASHI CORPORATION, 2. solid systems)

*Hidekazu Takagi¹, Masto Takahasi¹, Makoto Fukkiri², Masahiro Shiraki² (1. KUMAGAI GUMI CO.,LTD., 2. OCEAN WORKS ASIA INC.)

*Taketsugu Gotanda¹, Hidekazu Takagi¹, Katsumi Miyagawa², Isamu Tochigi³ (1. Kumagai Gumi Co.,Ltd. Dam Engineering Department, 2. Kumagai Gumi Co.,Ltd. equipment department, 3. Kumagai Gumi Co.,Ltd. Kyushu Branch)

*Takaya Hira¹, Isamu Tochigi¹, Masato Numakunai¹, Hidekazu Takagi¹, Hideaki Sato¹ (1. Kumagai Gumi Co.,Ltd.)

*Kazuhiko Masumoto¹, Hayato Nonaka¹, Masayuki Ishibashi¹, Takako Miyoshi¹ (1. Kajima Corporation)

*Yoshitake Oguchi¹, Kohei Mizuno¹, Satoru Kobayashi¹, Kenzo Watanabe¹, Katsutoshi Fujisaki¹, Toshiyuki Muronoi¹, Manabu Akoshima¹, Hitoshi Numoto¹, Naoyuki Fukui¹ (1. KAJIMA CORPORATION)