*Ayako Sako¹, Shinya Mitsuishi², Shinichi Shibuya¹, Yosuke Todoroki¹ (1. Research Institute of Construction and Economy, 2. Toyo Construction)

*Masayuki Kariya¹ (1. Okayama technical high school)

*Sonoe Kake¹, Hiroyoshi Asano², Tomoki Yoshimura³, Hisatsugu Tsuda⁴, Kazuya Tamada⁵ (1. National Institute of Technology (KOSEN), Maizuru College, 2. National Institute of Technology (KOSEN), Fukushima College, 3. National Institute of Technology (KOSEN), Maizuru College, 4. IHI Infrastructure Systems Co.,Ltd., 5. National Institute of Technology (KOSEN), Maizuru College)

*Kazuyoshi Shirai¹, Sonoe Kake², Hiroyoshi Asano³, Kou Ibayashi¹, Kazuya Tamada² (1. National Institute of Technology (KOSEN), Nagaoka College, 2. National Institute of Technology (KOSEN), Maizuru College, 3. National Institute of Technology (KOSEN), Fukushima College)

*Shugo Sekikawa¹, Ruke Inagaki¹, Yuki Murakami¹, Ibayashi Kou¹, Osamu Yoda¹, Kenji Kamimura¹, Fujio Ikeda¹ (1. National Institute of Technology, Nagaoka College)

*Koji Shimada¹ (1. Nagaoka University of Technology)

*Akimitsu Karita¹, Yuki Murakami¹, Osamu Yoda¹, Kenji Kamimura¹, Mari Miyata¹, Fujio Ikeda¹, Koji Shimada², Yukinobu Sugihara², Mamoru Masaki³ (1. National Institute of Technology(KOSEN), 2. Nagaoka University of Technology, 3. FUJI P.S CORPORATION)