*TAICHI KOUMA¹, TOMOYASU SUGIYAMA¹, YOSHIFUMI SATOFUKA², KEITARO KITAMURA³ (1. West Japan Railway, 2. Ritsumeikan University, 3. AAS)

*Keitaro Kitamura¹, Satoko Hattori¹, Taichi Kohma², Ryo Sasaki² (1. Asia Air Survey Co.,Ltd., 2. West Japan Railway Company)

*TENSHUN SANO¹, Kodai Minami¹, Takashi Hara¹, Naoki Tatta¹ (1. Toyama University)

*KEISUKE KONDO¹, Aya Kimura¹, Yoshiyuki Oguri¹, Kenichi Maeda¹, Takuro Nakamura², Kentaro Suzuki³, Naoto Naito⁴, Tomoki Kawarai⁵ (1. Nagoya Institute of Technology, 2. Civil Engineering Research Institute for Cold Region, 3. Koken Engineering, 4. Toyohashi University of Technology, 5. Muroran Institute of Technology )

*DAISUKE UEDA¹, KOICHI ARAKAWA¹, TOMOHIKO OKUNO², YASUHIRO HORIKAWA², TAICHI YOSHIDA², KAZUHIDE SAWADA³ (1. RAITEKU CO.,Ltd, 2. CHUO FUKKEN CONSULTANTS CO., LTD , 3. Gifu university)

*TOMOHIKO OKUNO¹, YASUHIRO HORIKAWA¹, TAICHI YOSHIDA¹, KOICHI ARAKAWA², DAISUKE UEDA², TAKAO SOGA³, KAZUHIDE SAWADA⁴ (1. CHUO　FUKKENN　CONSULTANTS, 2. RAITEKU, 3. K.TAKAYAMA　OFFICE, 4. GIFU　UNIVERSITY)

*YUICHI KAKUTA¹, TOMOHIKO OKUNO¹, YASUHISA TSUJITA², KEISUKE OGAWA², TAKAO SOGA³, KAZUHIDE SAWADA⁴ (1. Chuo Fukken Consultants, 2. Pacific Industries, 3. K. Takayama Office of National Highways MLIT, 4. Gifu University)