*Yoshinori Koshikawa¹, Haruo Takayama¹, Hiroshi Asano² (1. KAJIMA CORPORATION, 2. Regional Environmental Planning, Inc.)

*Yuuji Inabe¹, Tooru Tanaka¹ (1. TODA Corporation)

*Kouichirou Saba¹, Natsumi Siina ¹, Eizo Yushima¹, Tetsumi Higasayama¹, Tsuyoshi Itoh ¹, Kentarou Kawabata² (1. OBAYASHI CORPORATION, 2. Denyo Co.,Ltd.)

*Maiko Kawano¹, Nina Hanihara¹, Takuya Kikuchi¹, Mayumi Tanaka¹, Kazuki Ozawa¹, Kensuke Kitada¹, Tetsuya Tabuchi¹ (1. KAJIMA CORPORATION)

*Kenji Okazaki¹, Kohei Yoshino¹, Toshiyuki Kurahashi¹, Masayuki Sakakibara² (1. Civil Engineering Research Institute for cold region, 2. Ehime University)

*Takahiro Ogawa¹ (1. toda corporation)

*Hidenori Nishida¹, Yasuyuki kawamoto¹, Daisuke Sato¹, Masamistu Kuroiwa², Sadao Takahashi³, Humise Kimira³, Kiyoharu Takahashi⁴, Hiroki ide⁴ (1. Zeniya Marine Services, 2. Tottori University Graduate School of Engineering, 3. Water Source Pond Environmental Center, 4. Ocean Development and Technology Research Institute, Inc.)

*Kazuki Ozawa¹, Yoshio Nishimura¹, Yamanaka Yuhto¹, Seiji Dohmoto¹ (1. Kajima Corporation)