山岳トンネル(2)

11:30 AM - 11:40 AM JST(2:30 AM - 2:40 AM UTC)

[VI-609] Deformations and Countermeasures in Tunnel Excavation Through Weak Mudstone Layers Confined between Chert Layers

*Takahito Funahashi¹, Sotaro Tsujimoto¹, Jyunji Uno¹, Norimi Tanaka¹, Kouji Mori¹, Fujio Sushida¹, Kosuke Oyamada², Atsuo Ootsuki² (1. TEKKEN CORPORATION, 2. Central Nippon Expressway Company Limited)

Keywords:

Mountain tunnel,Chert Layers,Mudstone Layers,Tunnel deformation,Rebuilding,Invert shotcrete