A device of blasting method for headrace tunnel

Presentation information

第VI部門

Thu. Sep 9, 2021 1:00 PM - 2:20 PM VI-7 (Room32)

Chair: Hitoshi Tezuka

〇ryuto kira¹, yosio iwasumi¹, takuya takahasi¹ (1.nishimatsu construction)

Keywords:Electronic Delay Detonator, blasting vibration, tunnel, Multistage crushing agent

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