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To improve the problem that when the bottom of a steel pipe pile is closed, it is difficult to bury the same and it is easy for the same to stay high, and when the bottom is opened, excavated soil becomes clogged and difficult to construct.SOLUTION: A steel pipe pile 30 is provided with a partial circular blade 10 at the lower end of a steel pipe body 1 of a shaft core O1 whose upper and lower sides are open (a) and (b). The partial circular blade 10 is composed of three substantially fan-shaped reference partial disks 11. Each reference partial disk 11 is formed by connecting a first side 13 and a second side 14 with a smooth arc-shaped outer peripheral edge 12 (c). When the first side 13 is positioned on the front side in the rotation direction of one direction 44, the reference partial disk 11 forms the first side 13 longer than the second side 14 and the first side 13 is formed to be inclined so as to be located below the second side 14. A cross gap 31 is formed between the opposing first side 13 and the second side 14 on the adjacent reference partial disks 11.SELECTED DRAWING: Figure 1
【課題】鋼管杭の底を閉塞した場合に埋設し難く高止まりを生じやすく、底を開放した場合には掘削土が詰まり施工し難くなることを改善する。【解決手段】上下を開放した軸芯O1の鋼管本体1の下端部に部分円状翼10を備えて、鋼管杭30とする(a)(b)。部分円状翼10は略扇形の基準部分円板11の3枚から構成し、各基準部分円状翼11は、第一辺13と第二辺14とを、滑らかな円弧状の外周縁12で結んで形成した(c)。基準部分円板11は、第一辺13を一方向44の回転方向前側に位置させた場合、第一辺13を第二辺14より長く形成し、かつ第一辺13が第二辺14より下方に位置するように傾斜して形成した。隣接する基準部分円板11で、対抗する第一辺13と第二辺14の間に横間隙31を形成した。【選択図】図1
To improve the problem that when the bottom of a steel pipe pile is closed, it is difficult to bury the same and it is easy for the same to stay high, and when the bottom is opened, excavated soil becomes clogged and difficult to construct.SOLUTION: A steel pipe pile 30 is provided with a partial circular blade 10 at the lower end of a steel pipe body 1 of a shaft core O1 whose upper and lower sides are open (a) and (b). The partial circular blade 10 is composed of three substantially fan-shaped reference partial disks 11. Each reference partial disk 11 is formed by connecting a first side 13 and a second side 14 with a smooth arc-shaped outer peripheral edge 12 (c). When the first side 13 is positioned on the front side in the rotation direction of one direction 44, the reference partial disk 11 forms the first side 13 longer than the second side 14 and the first side 13 is formed to be inclined so as to be located below the second side 14. A cross gap 31 is formed between the opposing first side 13 and the second side 14 on the adjacent reference partial disks 11.SELECTED DRAWING: Figure 1
【課題】鋼管杭の底を閉塞した場合に埋設し難く高止まりを生じやすく、底を開放した場合には掘削土が詰まり施工し難くなることを改善する。【解決手段】上下を開放した軸芯O1の鋼管本体1の下端部に部分円状翼10を備えて、鋼管杭30とする(a)(b)。部分円状翼10は略扇形の基準部分円板11の3枚から構成し、各基準部分円状翼11は、第一辺13と第二辺14とを、滑らかな円弧状の外周縁12で結んで形成した(c)。基準部分円板11は、第一辺13を一方向44の回転方向前側に位置させた場合、第一辺13を第二辺14より長く形成し、かつ第一辺13が第二辺14より下方に位置するように傾斜して形成した。隣接する基準部分円板11で、対抗する第一辺13と第二辺14の間に横間隙31を形成した。【選択図】図1
STEEL PIPE PILE WITH BLADE
翼を備えた鋼管杭
MIYAMOTO TAKESHI (Autor:in)
01.05.2024
Patent
Elektronische Ressource
Japanisch
IPC:
E02D
FOUNDATIONS
,
Gründungen
STEEL PIPE PILE WITH SPIRAL BLADE, PILE CONSTRUCTION METHOD, AND BUILDING
Europäisches Patentamt | 2016
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