*Takeshi Tokunou¹, Kentaro Oomori², Shigeyuki Sogo³, Nobufumi Takeda⁴ (1. Japan Concrete Maintenance Association, 2. Nissan Chemical Corporation, 3. Near Future Concrete Association, 4. Hiroshima Institute of Technology)

*Junn Matsui¹ (1. Central Research institute of Electric Power Industry )

*Taito Hattori¹ (1. Niigata University)

*Reiya Fujimura¹, Kozo Onoue¹, Ryota Hashimoto¹ (1. KumamotoUniversity)

*Kanta Kozuka¹, Koji Matsumoto¹, Ryosuke Saito² (1. Hokkaido University, 2. Shimizu Corp.)

*Daisuke Ibaraki¹, Kanji Yanaga¹, Katsufumi Hashimoto¹, Takafumi Sugiyama¹ (1. Hokkaido University)

*Makoto Okubo¹, Souichirou Tsuji², Mutsumi Mizukoshi³ (1. MAEDAKOSEN CO.,LTD., 2. General Incorporated Association of PCM Method, 3. Kobe City College of Technology)