*Takuro Nakamura¹, Ko Kakuma¹, Ryo Hasegawa¹, Shintaro Yasunaka¹ (1. Civil Engineering Research Institute for Cold Region)

*Ko Kakuma¹, Takuro Nakamura¹, Shintaro Yasunaka¹ (1. Civil Engineering Research Institute for Cold Region)

*Tomoo Mitoh¹, Mitsunori Hagiwara¹, Yuichi Ono¹, Toshiyuki Akaike², Daichi Kondou², Shinya Watanabe³, Izumi Tanikura³ (1. Eight-Japan Engineering Consultants Inc., 2. Earth Shift Co.,Ltd, 3. Japan Construction Method and Machinery Research Institute)

*Tomohiro Hirayama¹, Hideyuki Suzuki², Kenji Fujita³, Tomohide Nagai¹ (1. Naigaikozo Co, 2. Hanshin Expressway Company, 3. HANSHIN EXPRESSWAY ENGINEERING COMPANY)

*Yohei Maeda¹, Mikio Sekiguchi¹, Masato Oishi¹ (1. Civil Engineering Support & Training Center Tokyo)

*Yuji Maki¹, Hiroshi Yokoyama¹, Hiroshi Masuya², Kouhei Nagai³, Takuro Nakamura⁴, Takanori Nomura⁵, Hideyuki Tanaka⁶ (1. NIPPON ENGINEERING CONSULTANTS, 2. Kanazawa University, 3. Tokyo University, 4. Civil Engineering Research Institute for Cold Region, 5. NIPPON SYSTEMWARE, 6. NTT docomo)