The Excavation Record of Large Vertical Shaft by NATM with Controlled Blasting Technique

Takashi Kajitani, Daisuke Kanai, Tatsuya Urushizaki, Minao Maruyama, Yasuhiko Ikemoto, Hiroyuki Koike, Takeo Takada, Tomonobu Numano, Shinsuke Sato, Ryosuke Tsuji, Yasunari Tezuka

[VI-63] The Excavation Record of Large Vertical Shaft by NATM with Controlled Blasting Technique

Takashi Kajitani², Daisuke Kanai², Tatsuya Urushizaki¹, Minao Maruyama¹, Yasuhiko Ikemoto¹, Hiroyuki Koike¹, Takeo Takada¹, Tomonobu Numano¹, 〇Shinsuke Sato¹, Ryosuke Tsuji¹, Yasunari Tezuka¹ (1.Kajima Corporation, 2.Japan Water Agency)

Keywords:Large Vertical Shaft, NATM, Controlled Blasting Technique

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[VI-63] The Excavation Record of Large Vertical Shaft by NATM with Controlled Blasting Technique