リニューアル (6)

[VI-871] Aging deterioration of tunnel covering in the yaita method in Hokkaido

*Kazuhide Kamuro¹, Atsushi Sutoh², Takashi Sato³, Hiroaki Kanekiyo⁴, Hiroshige Dan⁴, Osamu Maruyama⁵ (1. CTI Engineering Co., Ltd., 2. Tohoku Institute of Technology, 3. Civil Engineering Research Institute for Cold Region, 4. Kansai University, 5. Tokyo City University)

Keywords:Tunnel inspection, lining concrete, Degradation evaluation value, Degradation prediction, Sheet pile method