*NAOTAKA KIKKAWA¹, Nobutaka Hiraoka¹, Shinya Ito², Akihiro Hori², Kikuo Sakai³ (1. National Institute of Occupational Safety and Health, Japan, 2. Denka Co. Ltd., 3. MCM Co. Ltd.)

*YUYA HAKOZAKI¹, Tsuyoshi Nishimura¹, Masanori Kohno¹, Kintoki Ogawa¹, Shohei Fujii¹ (1. Tottori University)

*DAISUKE FUJIOKA¹, KENICHI NAKAOKA¹ (1. OBAYASHI CORPORATION)

*SHIMAMOTO KEISUKE¹, Yuichiro Nishikane¹, Takuya Urakoshi¹, Michiaki Imaizumi¹ (1. Railway Technical Research Institute)

*YAMADA HIROYUKI¹, Fumihiko Ohtsuki¹, Jou Hiramatsu¹, Yasuhito Uramoto² (1. Konoike Construction, 2. Kinki Regional Development Bureau)

*Koichiro Yokota¹, Kazuhiro Onozuka², Kazuyuki Nagao², Takahisa Tsuruhara³ (1. Nexco-Engineering tohoku Company, 2. East Nippon Expressway Company Limited, 3. OYO Corporation)

*SOICHIRO NAKAMURA¹, Yasuo Sawamura¹, Atsumi Isogai², Kiyoshi Kishida¹ (1. Kyoto University, 2. Japan Railway Construction, Transport and Technology Agency)

*Taku Kanzawa¹, Kimitoshi Sakai¹, Yuto Aso², Shinji Konishi² (1. Railway Technical Research Institute, 2. Tokyo Metro Co., Ltd)