FUNDAMENTAL STUDY ON PENETRATION AND BEARING CAPACITY OF SCREW PILE WITH HELICAL WING

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  • 螺旋羽を持つ回転貫入杭の貫入および支持力に関する基礎的研究
  • ラセンバネ オ モツ カイテンカンニュウクイ ノ カンニュウ オヨビ シジリョク ニ カンスル キソテキ ケンキュウ

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In this paper, model experiment for screw pile with single helical wing is described. The experiment was performed in order to discuss behavior of the bearing capacity of the wing, the pile tip and the pile surface friction in penetration stage and in vertical loading stage. Particularly, in the penetration stage, the wing works as a device, which drives the pile body and facilitates the penetration by reducing restrain pressure in the pile tip area. In the vertical loading stage, the wing works as a part of bearing device and contributes to increase of the pile tip bearing capacity by increment of the restrain pressure in the pile tip area.

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