Front natural hill investigation and face collapse measures in the sandstone layer with the low velocity zone

Presentation information

第VI部門

Thu. Sep 15, 2022 2:40 PM - 4:00 PM VI-2 (吉田南総合館北棟　共北２５)

Chair: Masashi Noro

3:30 PM - 3:40 PM

*Kosuke Katsura¹, Kenji Harada¹, Wataru Kobayashi¹, Keita Kitano¹ (1. Konoike Construction Co., Ltd.)

Keywords:mountain tunnel, low velocity zone, investigation of forward ground properties, auxiliary method

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