Presentation Information
[III-11]Geological survey and countermeasures near the wellhead entrance with double mountain range
*Yoshifumi Takeda1, Hironori Katou1, Taiti Shimokawa1, Naoto Yoshino1, Takehiro kanii1 (1. Toda Construction)
Keywords:
NATM,double mountain range,Geological survey,Auxiliary method
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