トンネル⑦

11:40 AM - 11:50 AM JST(2:40 AM - 2:50 AM UTC)

[III-195] Attempt at real-time analysis of ground classification using drilling data obtained from computer-controlled jumbo drill

*Koichi Okuzawa¹, Kenichi Nakaoka¹, Atsushi Watanabe¹, Akihiro Miyakoshi¹, Hirofumi Miyahara², Koh Tai², Seina Takashi² (1. Obayashi Corp., 2. Mac Corp.)

Keywords:

mountain tunneling,computer-controlled jumbo drill,ground classification,normalized drilling velocity ratio