施工技術（7）

[VI-523] Process shortening by using the factory products for the lining of small section tunnel

〇Kiyohisa Akebono¹, Kiyofumi Umeki¹, Yoshinori Iwasaki² (1.Nishimatsu Construction, 2.JNC)

Keywords:Tunnel, headrace, Process shortening, lining, secondary product