塩害 (1)

[V-244] The Effecttiveness and Issues of Repairing Chloride Attack Conutermeasures in Subway Tunnels

*Yoshihiko Mutou¹, Sachie Nakamura², Norihiko Ogura³, Syooki Kumakura¹, Yoshinobu Kou¹ (1. Metro Rail Facilites Co.,Ltd, 2. Tokyo Metro Co.,Ltd, 3. CORE Institute of technology Corp.)

Keywords:Subway tunnels, Chloride attack, Sacrificial anode material, Surface impregnation material, Re-degradation