山岳トンネル (8)

[VI-783] Development of a Seismic Survey System ahead of the Tunnel Face using Non-Core Drilling

*Yoshihiro Miyake¹, Koichi Okuzawa¹, Eisuke Sato², Rei Sato³ (1. OBAYASHI CORPORATION, 2. JAPAN FOUNDATION ENGINEERING CO.,LTD., 3. NC Geophysical Survey Co.,Ltd.)

Keywords:Tunnel Seismic While Drilling, seismic survey, water-powered hammer, non-core drilling, mountain tunnel, survey ahead of a tunnel face