*Yukihiro Kohata¹, Etsuo Sekine², Koichi Yamanaka³ (1. Muroran Institute of technology, 2. HRC Research Institute Co.,LTD, 3. Nihon university)

*Kohei Kasahara¹, Susumu Nakajima¹ (1. Railway Technical Research Institute)

*Fujii Kimihiro¹, Kondo Masahiro¹, Motoyuki Suzuki², Kenichi Kojima³ (1. JR West Japan Consultants, 2. Yamaguchi University, 3. Railway Technical Research Institute)

*Nagatani Hideki¹, Ayaka Nasu¹, Ryohsuke Tsuji¹, Yuuichi Yoshimura¹, Michio Imai¹, Junichi Kawabata¹, Masakazu Iwanaga² (1. Kajima Corporation, 2. Kajima Road Corporation)

*Masanori Sugawara¹, Yukihiro Kohata², Hiroki Endo², Yuki Kikuchi¹ (1. Koken engineering Co.,Ltd, 2. Muroran Institute of Technology)

*Akira Sakata¹, Hiroyuki Kawanakajima¹, Taro Ishikakawa¹, Kazuki Ito², Takahiro Kageyama, Takahisa Nakamura² (1. Japan Railway Construction, Transport and Technology Agency, 2. Railway Technical Research Institute)

*Kazuki Ito¹, Takahiro Kageyama¹, Takahisa Nakamura¹, Taro Ishikawa², Hiroyuki Kawanakajima², Akira Sakata² (1. Railway Technical Research Institute, 2. Japan Railway Construction, Transport and Technology Agency)