技術開発 (8)

[VI-752] Development of steel pipe expansion type rock bolt placement system for automated construction of rock bolts
-Kumamoto national route 3 Nakaoyama tunnel new constraction-

*Ryo Ishinaka¹, Shinya Shinguu¹, Kazuhiro Hashimoto², Yukihide Juukuroki² (1. Kumagai Gumi Co.,Ltd., 2. Yatsushiro River and National Highway Office)

Keywords:Mountain tunnel, rock bolt, steel pipe expansion type rock bolt, Mechanization, Labor saving