*Toshiaki Ishimura¹, Atsushi Kusaka¹, Nobuharu Isago² (1. Public Works Research Institute, 2. Tokyo Metropolitan University)

*Akira Matsuoka¹, Kosuke Kawata¹, Nobuharu Isago¹, Kazuo Nishimura¹, Hiroshi Yagi², Hajime Kitamura², Kosuke Nakashima² (1. Tokyo Metropolitan University, 2. Central Nippon Expressway Company)

*Nao Ikeda¹, Hideyuki Murayama¹, Keita Shibuya², Junnichi Kodama², Daisuke Fukuda², Masato Tsuruga³, Kenta Nakamura³ (1. Fujita Corporation, 2. Hokkaido University, 3. A-Tic Corporation)

*Ryosuke Otsuki¹, Takeyuki Ichida¹, Isamu Otuka¹, Tomoyuki Aoki¹, Kazuo Sakai¹, Toshifumi Akaki¹ (1. TAISEI CORPORATION )

*Koichiro Yokota¹, Kazuyuki Nagao², Sadao Sato², Makoto Miyakoshi² (1. Nexco-Engineering Tohoku Company, 2. East Nippon Expressway Company )

*Ami Muraoka¹, Norihisa Nakahara¹, Takahito Funahashi¹, Fujio Sushida¹, Toshihiro Koyama¹, Satoru Kobayashi¹, Fumikazu Kobayashi¹, Daisuke Imamura², Hideaki Fujii² (1. TEKKEN CORPORATION, 2. KOKEN BORING MACHINE CORPORATION)

*Yoshiki Ishii¹, Takayuki Ichida¹, Nakata Yuusuke¹, Isamu Otsuka¹ (1. Taisei Corporation)