山岳トンネル (3)

[VI-270] Development of a system to notify the sign of collapse by detecting cracks in the shotcrete of the tunnel face

*Hajime Hamada¹, Susumu Hagiwara¹, Katsuhiko Imaizumi¹, Takashi Shimizu², Youhei Kubo², Ken Nishioka² (1. Okumura Corporation Technical Research Institute, 2. Research Institute of Systems Planning, Inc.)

Keywords:Mountain Tunnel, Tunnel Face, Collapse, Shotcrete in tunnel face, Image, Artificial Intelligence