Presentation Information
[11PM1-So-07]Selection of auxiliary support methods based on geological conditions
*Takehiro Sakai1, keiichirou naitou1, hirosi kobayasi2, hiroyuki kobayasi2 (1. kajima corporation, 2. nagano prefecture)
Keywords:
Construction of tunnel entrance,Talus deposit,Face bolt with slit,High infiltration polyurethane,Water stopping polyurethane