*Kennichi Kuribayashi¹, YASUYUKI AKIYAMA¹, KEIICHI YOSHIDA², TOMOYUKI SEKI³ (1. EAST JAPAN RAILWAY COMPANY, 2. OBANAYA CEMENTEX, 3. DAI NIPPON TORYO)

*Sayaka Oikawa¹ (1. NEXCO EAST)

*Kodai Takimoto¹, Masakazu Uchida¹, Nao Kawai¹, Masahiro Ishida¹, Takaharu Kiriyama¹ (1. Public Works Research Institute)

*Hiroshi Miura¹, Kenji Ueto¹, NWE KJU KJU¹, Masayuki Yamamoto¹ (1. West Nippon Expressway Engineering Chugoku Co.,Ltd.)

*Shinichiro Mori¹, Haruki Nagai¹, Yumeno Miura¹, Ono Seiya², Koichi Suga³ (1. Ehime University, 2. Ono Painting Corporation, 3. Fuyo Consultants)

*Narita Takahashi¹, Takatada Takahashi¹, Masaru Hojo¹ (1. Railway Technical Research Institute)

*Takahashi Kenichi¹, Irie Yuta¹ (1. Toda Corporation)