山岳トンネル (13)

[VI-286] Rapid excavation and reduction of overbreak by an automated tunneling jumbo

*Tadashi Watanabe¹, Hiromichi Kawano¹, Hiroyuki Hino¹, Motoi Hashimoto¹, Tomoyuki Hori¹, Ryo Shimizu¹, Hiroki Netsuno¹, Shota Asahi¹, Suguru Shirasagi¹, Minato Tobita¹ (1. Kajima Corporation)

Keywords:tunnel, automated tunneling jumbo, reduction of overbreak, rapid excavation, long-hole blasting