山岳トンネル(2)

11:10 AM - 11:20 AM JST(2:10 AM - 2:20 AM UTC)

[VI-607] Report on the Tunnel with fragile ground with irregular distribution of the degree of alteration

*Yilun Chu¹, Ryoichi asaumi¹, Kenichi Adachi¹, Michinari Nakano², Otsubo Yoshihiro² (1. Shimizu Corporation, 2. Miyazaki Prefecture Kobayashi Office of Public Works)

Keywords:

NATM,fragile ground,forward exploration,Stress Measurement