*Kohei Tsuji¹, Akihiko Oshima¹, Shogo Nakano², Yuto Sakaguchi², Norihiko Nakagawa³ (1. Osaka Metropolitan University, 2. Osaka City University, 3. Hokkaido Soil Research Cooperative Association)

*Tamura Shodai¹, Akihiko Oshima¹, Kohei Tsuji ¹, Kazuki Shiozaki¹, Miki Hayashiguchi¹, Shogo Nakano², Yuto Sakaguchi², Norihiko Nakagawa³ (1. Osaka Metropolitan University, 2. Osaka City University, 3. Hokkaido Soil Research Cooperative Association)

*Takeno Koudai¹, Fukai Akira¹, Matsutani Yuji¹, Oshima Akihiko², Nakano Shogo², Takahashi Shuichi³, Hirata Shigeyoshi³ (1. Sekisui House, 2. Osaka Metropolitan University, 3. Daiwa House Industry)

*Nakagawa Norihiko¹, Akihiko Oshima², Masanori Ishii³, Hiroyuki Sasgusa⁴, Hiroyuki Tanaka⁵, Hirochika Hayashi⁶, Nobutaka Yamazoe⁷ (1. Hokkaido Soil Research Cooperative Association, 2. Osaka Metropolitan University, 3. Soil and Rock Engineering Co.Ltd, 4. TOA Corporation, 5. Hokkaido University, 6. Civil Engineering Research Institute for Cold Region, 7. National Institute of Technology,Akita College)

*Takuya Noma¹, Masanori Ishii¹, Masayuki Shigetomi¹, Ryo Nagasawa¹, Akihiko Oshima² (1. Soil and Rock Engineering Co., Ltd., 2. Osaka Metropolitan University)

*Shiozaki Kazuki¹, Akihiko Oshima¹, Shogo Nakano², Yuto Sakaguchi², Kiyoshige Imada³, Takeshi Tsujiuchi³ (1. Osaka Metropolitan University, 2. Osaka City University, 3. Nishi Osaka Flood Control Office)

*Hayahiguchi Miki¹, Akihiko Oshima¹, Kazuki Shiozaki¹, Shodai Tamura¹, Kohei Tsuji ¹, Shogo Nakano², Yuto Sakaguchi² (1. Osaka Metropolitan University, 2. Osaka City University)

*Takahashi Shuichi¹, Shigeyoshi hirata¹, Akihiko Oshima², Syogo Nakano², Akira Fukai³, Yuji Matsutani³, Akira Shigyo⁴, Masahiro Ogawa⁴, Naoki Nozawa⁵, Akihiko Aizawa⁵, Shinya Momoi⁶, Yoichi Ishido⁶, Kazutaka Nikawa⁷ (1. Daiwa House Industry, 2. Osaka Metropolitan University, 3. Sekisui House, 4. Hokoku Engineering, 5. Travers, 6. Asano Taiseikiso Engineering, 7. Sekisui Chemical)