*ATSUKO SATO¹, Hirochika Hayashi¹, Kazunobu Watanabe², Mio Oomori² (1. Civil Engineering Research Institute for Cold Region, 2. Ministry of Land, Infrastructure, Transport and Tourism Hokkaido Development Bureau Sapporo Development and Construction Department)

*Aika Haneishi¹, Noriaki Sako² (1. Nihon University, 2. Nihon University Junior College)

*ENDOU MASAHARU¹, Toshihiro Mori¹, kazuhiko Funada², Hikari Hotta², Shinichi Hamaguchi³, Hiroyuki Hashida³ (1. KUMAGAI GUMI Co.,Ltd., 2. MAETA Concrete Industry Co.,Ltd, 3. YOKOHAMA WRIGHT Industries Co.,Ltd.)

*YASUHIRO IKAMI¹, MAKIKO KOBAYASHI¹, TASUKU OSUGI¹, TAKAHITO MATSUMOTO¹ (1. TAISEI CORPORATION)

*MOROTOMI TETSUNOSUKE¹, Toshihiko Miura¹ (1. Obayashi Corporation)

*TOMOYUKI IDENO¹, KATSUJI YAMASHITA¹, KAKERU DOHI¹ (1. Fudo Tetra Corporation)

*HIRANO TAKAYUKI¹, 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)

*HIROSHI YOKAWA¹, Kenichi Sugaya², Hirokazu Inoue², Toshikatsu Seki², Yuta Yamagata², Arisa Ejima² (1. Chubu University, 2. Center for Better Living)

*Susumu NAKAJIMA¹, Yuki Kurakami¹, Keisuke Ota² (1. Railway Technical Research Institute, 2. Tokyu Construction Co., Ltd)