*Tarou Kanemaru¹, Yoshihiko Shibata¹, Yositaka kii¹, kenji shinkawa¹, satosi takayanagi¹, Yosito Hashimura², Kenji Murata³, Jyun Ozeki³ (1. kajima, 2. keisokugiken, 3. NEXCO EAST)

*Naoki Ishii¹, Yoshihiko Shibata¹, Yoshitaka Kii¹, Kenji Shinkawa¹, Satoshi Takayanagi¹, Kenji Murata², Jun Ozeki² (1. KAJIMA CORPORATION, 2. NEXCO EASTTOP)

*kyohei hoshino¹, Yoshihiko Shibata¹, Yoshitaka Kii¹, Kazuya Iwahana¹, Kenji Shinkawa¹, Satoshi Takayanagi¹, Kenshi Murata², Jyun Ozeki² (1. KAJIMA CORPORATION, 2. East Nippon Expressway Company Limited)

*Satoshi Hashimoto¹, Masahiro Akamatsu¹, Rikito Izumo² (1. TAISEI CORPORATION, 2. TEPCO Power Grid)

*Akira Hori¹, Yutaka Fujii¹, Yuuji Hirota¹ (1. TODA CORPORATION)

*Toshiki Ao¹, Ken Tamura¹, Tomoyuki Shida¹, Yoshikawa Kenichi², Takuma Yokoyama² (1. TAISEI CORPORATION, 2. Underground Infrastructure Technologies Corporation)

*Gennki Kataoka¹ (1. Nishimatsu Construction)