Presentation Information
[11AM1-Bo-03]The strength evaluation using needle penetration tests in the abandoned lignite mine in Mitake Town.
*Jumpei Abe1, Yukiyasu Fujii1, Kantetsu Asano1, Keiichiro Uemichi (1. Meijo University)
Keywords:
lignite,pillar,Sinking and subsidence,needle penetration test,unconfined compression strength