○Tsuyoshi Adachi¹, Hisatoshi Toriya¹, Hajime Ikeda¹, Yuichi Sugai², Takashi Sasaoka², Kotaro Yonezu², Youhei Kawamura³ (1. Akita University, 2. Kyushu University, 3. Hokkaido University)

○Yoshiyuki Shimizu¹, Masaki Iino¹, Yuuki Kyoshima¹, Masaki Sakakibara¹, Akihiro Hashimoto¹, Keitaro Takamoto¹, Hisatoshi Baba¹, Tomohiro Morisawa², Yasuhiro Kato³ (1. Tokai University, 2. Toa Corporation, 3. Tokyo University)

○Akihiro Hamanaka¹, Ken-ichi Itakura², Gota Deguchi⁴, Kazuhiro Takahashi², Jun-ichi Kodama³, Takashi Sasaoka¹, Hideki Shimada¹ (1. Kyushu University, 2. Muroran Institute of Technology, 3. Hokkaido University, 4. Underground Resources Innovation Network)

○Hidenori Inomata¹, Akio Ueno¹, Shuji Tamamura¹, Takuma Mukarami¹, Kiyoshi Satou¹, Kunihiko Yoshida², Hideo Aoyama², Tomoo Sakai², Megumi Kondo², Yoshiaki Fujii³, Toshifumi Igarashi¹ (1. Northern Advancement Center for Science & Technology Horonobe Research Institute for the Subsurface Environment, 2. Mitsubishi UBE Cement Corporation, 3. Hokkaido University)