トンネル (3)

[III-160] Study on Tunnel Design Considering Life cycle cost

*Tadashi Okabe¹, Yuuki Saito², Hidekazu Terato³, Takeshi Matsunaga⁴, Toshihiro Asakura⁴ (1. KFC Ltd, 2. Pacific Consultants, 3. Japan Construction Method & Machinery Reseach Institute, 4. Research Group For Tunnel Engineering)

Keywords:Life cycle cost, excavation pattern, advance support, External force deformation, Ground degradation model