山岳トンネル(2)

[VI-409] Preparation for construction of accurate water stop wall by installing guide pipe using pedestal

〇Masato Shimono¹, Shigemitsu Furukawa¹, Yuiti Toyonaga¹, Higa Shinitiro², Makoto Okamoto² (1.TAISEI CORPORATION, 2.Okinawa General Bureau, Cabinet Office)

Keywords:Underground dam, grout, Boring, tunnel, Invert, Mount