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川崎製鉄技報 KAWASAKI STEEL GIHO

Vol.11 (1979) No.4

パネル鋼矢板の特性

Characteristics of Paneled Sheet Pilings

中川 宏夫(Hiroo Nakagawa) 川井 豊(Yutaka Kawai) 近藤 伸治(Shinji Kondo) 橋本 隆文(Tkafumi Hashimoto) 要旨 : 複数枚の鋼矢板を別途事前に嵌合させて有効幅の大きな鋼矢板とし,それを打設して施工 能率の向上などを図るべく,「パネル鋼矢板」を実用化した。実験より得られたパネル鋼矢 板の主な性能,特長は次のとおりである。(1) パネル鋼矢板の施工能力率は,従来の 1 枚施 工に比べて 1.5~2 倍に向上するので工期が短縮される。(2) 新たに開発した止水剤をパネ ル鋼矢板の嵌合した爪部に充満させることにより,水密性の高い鋼矢板壁を構築すること が可能である。(3) U 形パネル鋼矢板では,爪部の溶接によって矢板間相互の結合状態が比 較的明確になるので合理的な鋼矢板壁の設計が可能となる。 Synopsis :

Paneled sheet pilings, which are pre-fabricated with 2 to 5 steel sheet pilings prior to driving, have been developed mainly to improve execusion speed. Main characteristics are summarized as follows. (1) The execution time can be shortened 70 to 50% compared with that of the conventional method. (2) High water-proof sheet piling walls can be obtaines by pre-filling newly developed sealing material into Junctions. (3) In the case of deep-arch steel sheet piling (U-shaped), the combining conditions (bending rigidity) of joints between neighbouring sheet pilings, can be clarified by welding of pre-fabricating procedures. Therefore, safar and more rational design can be obtained by the use of paneled sheet pilings than in the case of the conventional design and execution procedures.

(c)JFE Steel Corporation, 2003

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