*Yuki Umehara¹, Shinichi Takahashi¹, Yuki Yamada¹ (1. Obayashi Corporation)

*Tsukasa Sakakibara^1,2, Yuki Kusakabe¹, Tsuyoshi Hirano³, Shingo Saito⁴, Kiyoteru Kawaziri⁵, Syuji Kobayashi⁶ (1. Kinjo Rubber CO.,LTD, 2. Vacuum Consolidation Method , 3. Ozora Town Social Welfare Council, 4. Ozora Town Hall, 5. Yoshii Construction CO.,LTD, 6. Docon CO.,LTD)

*Koichiro Yokota¹, Koki Sawano¹, Daisuke Aizawa¹, Satoshi Namba², Kazuyuki Nagao², Michihide Yamada³ (1. Nexco-Engineering Tohoku Company Limitid, 2. East Nippon Expressway Company Limited, 3. Dia Consultants Company Limited)

*Masakatsu Takeshima, akira tonosaki¹ (1. Kanazawa Institute of Technology University)

*Ran Liao¹, Yunan Xu¹, Kimitoshi hayano¹, Yoshiyuki Kawasaki², Ryota Hondo² (1. Yokohama national university, 2. Central Japan Railway Company)

*Hiroshi Ichitani¹, Akihiko Oshima¹, Shuhei Temma¹, Kouda Takeno¹, Yasuhisa Nakaso², Masayoshi Nakao² (1. Osaka City University, 2. Osaka City University, Advanced Research Institute for Natural Science and Technology)

*Shuhei Temma¹, Akihiko Oshima¹, Hiroshi Ichitani¹, Kouda Takeno¹, Yasuhisa Nakaso², Masayoshi Nakao² (1. Osaka City University, 2. Osaka City University, Advanced Research Institute for Natural Science and Technology)

*Kensuke Akagi¹, Masaki Kitazume¹, Xiao Tengxinag¹ (1. Tokyo Institute of Technology)