安全管理 (4)

3:30 PM - 3:40 PM JST(6:30 AM - 6:40 AM UTC)

[VI-733] Approach for creating the strength boundary surface ahead of the tunnel face: A simple method using drilling time

*Shuro Yoshikawa¹, Ryouichi Asaumi¹, Yuta Nishidomari¹, Kenichi Adachi¹ (1. Shimizu Corporation)

Keywords:

Mountain tunnel,Exploration ahead of tunnel face,Drilling time,Boundary surface,Visualization

Login required to view

Login is required to view some content.

Log in