*Yudai Takegawa¹, Yosuke Higo¹, Daichi Uchiyama¹, Takatoshi Kiriyama², Masashi Michino³ (1. Kyoto Univesity, 2. Shimizu Corp., 3. JFE Steel Corp.)

*MOTOI YASUO¹, Hideaki SHINTAKU¹ (1. OBAYASHI Corp.)

*HIDEAKI SHINTAKU¹, YASUO MOTOI¹ (1. obayashi corporation)

*TAKUMI OZAKI¹, Takashi Ushida¹, Takaki Matsumaru¹, Takashi Nakayama¹, Takuya Nakashima², Nobutaka Hiraoka³, Naotaka Kikkawa³, Kazuya Itoh⁴ (1. Railway Technical Research Institute, 2. West Japan Railway Company, 3. National Institute of Occupational Safety and Health, 4. Tokyo City University)

*HIDEHARU SUGIMOTO¹, Shunsuke Akagi¹, Ayaka Nasu², Hideki Nagatani², Takahiro Sato¹, Jun Otani¹ (1. Kumamoto University, 2. Kajima Corporation)

*KENTA SANUKI¹, Takumi Ozaki¹, Takashi Ushida¹, Takaki Matsumaru¹ (1. Railway Technical Research Institute)

*TAKAO KONO¹, TERUHIKO SUGIMOTO¹, TOSHIAKI SUGAWARA¹, TSUYOSHI KINOSHITA², TOMOHIKO KANEYUKI¹, AYUMU OHASHI² (1. TAKENAKA Corporation, 2. TDK Corporation)