Presentation Information
[III-262]Applicability of rock mass evaluation method based on strength properties converted from drilling data of computer jumbo
*Takashi Ichiki1, Masahito Yamagami1, Kazuo Sakai1, Kohei Tone2 (1. Taisei Advanced Center of Technology, 2. Shikoku Branch, Taisei Corporation)
Keywords:
mountain tunnel,evaluation ahead of tunnel face,computer jumbo,drilling data
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