*Takashi Danjo¹, Koji Ogawa¹, Takeo Tanno¹, Kiyotoshi Sakaguchi², Tatsuya Yokoyama³, Yoshikazu Hironaka⁴, Katsuhiko Ishibashi⁵ (1. OYO Corporation, 2. Tohoku University, 3. Fukada Geological Institute, 4. Radioactive Waste Management Funding and Research Center, 5. Tokyo Electric Power Services Co., Ltd.)

*Abe Hiroaki Hiroaki¹, Yamaguchi Tetsuji², Iwanami Motoi³ (1. Public Works Research Institute, 2. Kumagai Gumi Co.,Ltd., 3. Waseda University)

*Yuzuki Ozawa¹, Tetsuji Yamaguchi², Motoi Iwanami¹ (1. Waseda University, 2. Kumagai Gumi Co.,Ltd.)

*Yasuyuki Miyajima¹, Jyunichi Kawabata¹, Noboru Sakamoto², Kazuhiko Kanai², Toshiyuki Sasada², Takuji Yamamoto³ (1. Kajima corporation, 2. Yachiyo Engineering Co., Ltd. , 3. Advanced Construction Technology Center)

*Junichi Kawabata¹, Yasuyuki Miyajima¹, Hayato Nonaka¹, Konan Koike¹, Kazuhiko Kanai², Noboru Sakamoto², Takuji Yamamoto³ (1. Kajima Corporation, 2. Yachiyo Engineering, 3. Advanced Construction Technology Center )

*Okayama Daisuke¹, Sakata Satoshi², Sasaki Tatsumaru¹, Iwanami Motoi¹, Konishi Shinji³ (1. WASEDA University, 2. Tokyo Metro Co., Ltd., 3. ASANO TAISEIKISO ENGINEERING Co.,Ltd.)

Satoshi Sakata², *Sasaki Tatsumaru¹, Shinji Konishi³, Daisuke Okayama¹, Motoi Iwanami¹ (1. Waseda University, 2. Tokyo Metro Co., Ltd., 3. Asano Taiseikiso Engineering Co., Ltd.)

*Murao Shintaro¹, Mamoru Kikumoto², Ying Cui², Atsumi Isogai³, Kiyoshi Kishida¹ (1. Kyoto University, 2. Yokohama National University, 3. JRTT)