Presentation Information

[VI-605]An evaluation method of rock fracture characteristics using drilling parameters from computer-assisted jumbo

*Takashi Ichiki1, Kazuo Sakai1, Masahito Yamagami1, Kohei Tone2, Kazuki Ikeda2 (1. Taisei Advanced Center of Technology, 2. Shikoku Branch, Taisei Corporation)

Keywords:

mountain tunnel,computer-assisted drilling jumbo,geological evaluation,drilling paramters,fracture characteristics,RQD