山岳トンネル (6)

[VI-765] Tunnel construction in the ground where accretionary prisms are distributed

*Ryou Furuya¹, Daisuke Hamada², kenichi Akiziki¹, Tomoharu Mori³, Yoshinori Sagisaka⁴ (1. TODA CORPORATION, 2. Shiga Prefecture Eastern Shiga Office of Public Works , 3. KK. SHOKEN, 4. KK. KANEKOKOUMUTEN)

Keywords:Mountain Tunnel, Accretionary Prisms, Little Over Burden, Auxiliary Construction Method