リニューアル (3)

[VI-354] Technology development for tunnel repair materials with inspection function that does not require a power supply(Part 2)

*kenichi kuribayashi¹, Tomohiro Kanezuka³, Nobuaki Suzuki², Akihiro Tateishi² (1. JAPAN RAILWAY COMPANY Research and Development of JR East Group Frontier Service Development Laboratory , 2. NIPPON STEEL Chemical&Material, 3. JAPAN RAILWAY COMPANY)

Keywords:Tunnel Lining, tunnel repair materials, Smart Repair, Crack visualization, Power-free sensor