技術開発 (2)

[VI-231] Application results of underwater excavators that enable subsidence excavation of hard ground

*Tomohiko Sakou¹, Naoya Sugigaki², Hideyuki Sakane¹, Tsuyoshi Ogura¹, Toshio Sakanashi¹, Takashi Matsui¹, Yoshiyuki Hamada³, Shigeru Saitou³, Keiji Utiyama³, Masashi Torii⁴, Kei Honda⁴, Kaito Yasuda⁴ (1. KAJIMA Constraction, 2. HANSHIN ELECTRIC RAILWAY, 3. KATO CONSTRUCTION, 4. OCEAN WORKS ASIA)

Keywords:caisson method, open caisson, drilling machinery, technology development