〇Kiyoyasu Hirose¹, Hiroshi Mikami², Kazusuke Kono³, Toshio Horikawa⁴ (1.Izawa sekkei, 2.Sumitomo Mitsui Construction, 3.Kouzou mainte, 4.Osaka Institute of Technology Emeritus Professor)

〇Kazuki Nakajima¹, Hidemitsu Iwasawa¹, Shouta Maari⁵, Shin Suzuki², Kousuke Takano³, Toshiyuki Kanda⁴ (1.Nishimatsu Construction, 2.West Nippon Expressway Engineering Kansai, 3.Kobe Electric Railway, 4.Chemical Construction, 5.West Nippon Expressway)

〇Hiroaki Hasegawa¹, Kodai Shimose², Isamu Yoshitake² (1.Mitsubishi Chemical Infratec, 2.Yamaguchi University)

〇Kodai Shimose¹, Hiroaki Hasegawa², Isamu Yoshitake¹ (1.Yamaguchi University, 2.Mitsubishi Chemical Infratec Co Ltd)

〇HIROSHI MITAMURA³, SHOICHI SERIZAWA¹, HIRAGURI KAZUYA¹, TATSURO YAJIMA², KUNITERU TAKAHASHI², DAISUKE MAKINO³ (1.East Nippon Expressway Company, 2.Nexco-Maintenance Kanto Company, 3.J-THIFCOM Construction Association)

〇Shuntaro Akao¹, Shoichi Serizawa², Kazuya Hiraguri², Norimasa Higashida¹, Hiroshi Mitamura³ (1.Nexco-east Engineering Company Limited, 2.East Nippon Expressway Company Limited, 3.J-THIFCOM Construction Association )

〇Kensuke Ueda¹, Hiroshi Mitamura¹, Keiichi Aoki, Takashi Matsumoto, Shigeyuki Matsui (1.J-THIFCOM Construction Associatio)

〇Tetsuya Okamura¹, Hiroshi Mitamura¹, Keiichi Aoki², Takashi Matsumoto³, Sigeyuki Matsui⁴ (1.J-thifcom Construction Association, 2.Central Nippon Expressway, 3.Hokkaido University, 4.Osaka Institute of Technology)