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[VI-50] Utilization and Implementation of Damage Severity Classification in the Maintenance of Tunnels in Cold Regions (Hokkaido)

*Takumi Kawamura¹, Atsushi Sutoh², Takahiro Igarashi³ (1. IWATA CHIZAKI INC., 2. TOHOKU INSTITUTE OF TECHNOLOGY, 3. KOKEN ENGINEERING Co.,Ltd.)

Keywords:

Cold-climate tunnels,lining deterioration,damage classification,maintenance