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鋼管矢板式基礎工法による深さ18m連鋳ピットの設計と施工

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川崎製鉄技報 KAWASAKI STEEL GIHO

Vol.8 (1976) No.3

鋼管矢板式基礎工法による深さ18m連鋳ピットの設計と施工

Design and Construction of 18m Deep Continuous Casting Pit by Interlocked Steel Pipe Pile Wall Method

肱黒 和彦(Kazuhiko Hijikuro) 富永 真生(Masanari Tominaga) 神原 幸治 (Koji Kanbara) 二町 宣洋(Nobuhiro Nicho) 岡本 勝昭(Katsuaki Okamoto)

要旨 : 垂直湾曲形の第6連鋳工場の基礎として,水島製鉄所建設始まって以来の大規模な地下構 造物を当社開発の鋼管矢板式基礎工法により建設した。設計・施工の面で問題とされる鋼 管矢板の応力,水処理,コンクリートの水和熱,振動解析などの計測を行いながら,その 結果を次のステップの施工に直結する情報化施工によって,短期間に無事完成することが できた。これらの設計・施工,計測結果および施工途中発生した問題点の処理について述 べる。 Synopsis :

A big underground structure as needed in the construction of a new vertical bending type No.6 CC plant was never experienced before at Mizushima Works. The foundation was completed in a rather short time with the interlocked Steel Pipe Pile Wall method developed by Kawasaki Steel Corp., on the real time construction control system which made it possible to apply measured data, namely, bending stress of Steel Pipe Pile Wall, water drainage, heat of hydration of concrete, vibration analysis, etc., to the successive construction steps without any time lag or confusion. The design, execution, and measurement in this work together with the solution of problems which occurred during the execution are explained in this paper.

(c)JFE Steel Corporation, 2003

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