山岳トンネル (2)

11:20 AM - 11:30 AM JST(2:20 AM - 2:30 AM UTC)

[VI-352] Approach of the new Kobotoke Tunnel construction for the purpose of the face of a tunnel cutter safety

*Koji Baba¹, Daisuke Kobayashi¹ (1. Central Nippon Expressway Co.,Ltd.)

Keywords:

mountain tunnel,face of a tunnel cutter,prevention of skin fall,safety measure

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