*Takayuki Hirano¹, SYUNJI KATO², KIYOMASA DOBASHI³, JUN IKEDA⁴, NORIAKI NAKAJIMA⁵ (1. (Nishimatsu Construction, 2. Public Works Research Institute, 3. Public Works Research Center, 4. NITTOC Construction, 5. JDC Corporation)

*Shota Takagi¹, Yoshitaka Tomida¹, Susumu Nakajima¹ (1. Railway Technical Research Institute)

*Yoshitaka Tomida¹, Susumu Nakajima¹, Shota Takagi¹ (1. Railway Technical Research Institute)

*Hara Hiroyuki¹, Daisuke Suetsugu², Kentaro Yasui³ (1. Yamaguchi University, 2. University of Miyazaki, 3. National Institute of Technology, Kagoshima College)

*Sato Atsuko¹, Hirochika Hayashi¹, Kazunobu Watanabe², Mio Oomori² (1. Civil Engineering Research Institute for Cold Region, 2. Hokkaido Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism)

*Kono Takao¹, Yuki Kageyama¹ (1. Takenaka corporation)

*Kageyama Yuki¹, Koono Takao¹ (1. TAKENAKA Corporation)