施工技術(4)

[VI-25] Constraction of deep vertical shaft without crack and leakage

Nobuyasu Tatsuzawa², Takanori Horibe³, 〇LAM TUNG PHAM¹, Shouko Komatsu⁴ (1.Joint venture of Taisei Corp., Kajima Corp., Obayashi Corp., Keikyu Kensetsu Co.,Ltd, 2.Tokyo Metropolitan Government Bureau of Construction 2rd Construction Office, 3.Tokyo Metropolitan Government Bureau of Construction 3rd Construction Office, 4.Joint venture of Taisei Corp., Kajima Corp., Obayashi Corp., Keikyu Kensetsu Co.,Ltd)

Keywords:Pneumatic Caisson, Concrete placement, Crack prevention measures, Improvement of waterproof performance