*Yasumasa Soga¹, Masashi Okaue¹, Masahiro Hattori², Tatsuo Sasaki³, Tsutomu Yoshizawa³, Koichi Isobe⁴ (1. Hanshin Expressway Company Limited, 2. Hanshin Expressway Research Institute for Advanced Technology, 3. NIPPON ENGINEERING CONSULTANTS CO., LTD., 4. HOKKAIDO UNIVERSITY)

*Masahiro Hattori¹, Yasumasa Soga², Masashi Okaue², Tatsuo Sasaki³, Koji Oniki³ (1. Hanshin Expressway Research Institute for Advanced Technology, 2. Hanshin Expressway, 3. Nippon Engineering Consultants)

*Kohei Nishimura¹, Masayuki Nanba¹, Taiki Fukuda², Hiroyuki Tsuji², Masaki Higuchi³, Koji Ito³, Michiyo Soejima³ (1. NEXCO-West Consultants Company, 2. West Nippon Expressway Company, 3. OBAYASHI CORPORATION)

Taiki Fukuda¹, Hiroyuki Tsuji¹, Kohei Nishimura², Masayuki Nanba², *Masaki Higuchi³, Koji Ito³, Michiyo Soejima³ (1. West Nippon Expressway Company, 2. NEXCO-West Consultants Company, 3. Obayashi Corporation)

*Shohei Miyazaki¹, Takayuki Yamaguchi², Kenji Kishida³, Ryosuke Kikuchi⁴, Masahide Matsumura¹, Ryota Nakamoto¹, Hitoshi Moriyama¹, Mitsuhiro Shigeishi¹ (1. Kumamoto University, 2. Setouchi Wire Netting Industry Co.,Ltd., 3. Kinki Quarrying Co.,Ltd., 4. Dai Nippon Construction Co.,Ltd.)

*Kaname Iwatsubo¹, Ryusei Ishikawa¹, Hitoshi Moriyama³, Toshitaka Yamao² (1. National Institute of Technology (KOSEN), Kumamoto College, 2. Kumamoto University, 3. Tokushima University)