A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
To provide a tubular pile improved in a cost aspect by reducing the number of components as a tubular pile and reducing a work of attaching another component.SOLUTION: A tubular pile comprises: a cylindrical pile body 10 at least whose one end side is open; a blade 20 which is a plate-like fan-shaped member that is clamped by an arc formed by an outer periphery of the pile body and an arc that is coaxial with the pile body, has a larger diameter, and covers a predetermined angle range in plan view crossing an axial line 200 of the pile body, and which spirally surrounds a region going from the one end side to the other end side on an outer peripheral surface of the pile body; and a plurality of excavation blades 30 respectively extending from one end of the pile body. The excavation blades are respectively provided in an arc region 11 which is formed by equally dividing one end face of the pile body according to the number of the excavation blades in plan view crossing the axial line. The excavation blade increases an extension amount as going from a start point to an end point in an opposite direction to a rotation direction in which the blade spirally surrounds the outer peripheral surface of the pile body from the one end side toward the other end side.SELECTED DRAWING: Figure 1
【課題】管状杭としての部品点数を減らして別部材を取り付ける作業を削減することで、コスト面で改善される管状杭を提供する。【解決手段】少なくとも一端側が開放された円筒形状の杭本体１０と、杭本体の軸線２００と交差する平面視で、杭本体の外周がなす円弧、及び、杭本体と同軸かつ大径で所定の角度範囲にわたる円弧、に挟まれた板状扇形の部材であり、杭本体の外周面において一端側から他端側へと至る領域を螺旋状に取り囲む羽根２０と、杭本体の一端からそれぞれ延出する複数の掘削刃３０と、を備え、掘削刃は、軸線と交差する平面視で、杭本体の一端面を掘削刃の数に応じて等分割してなる円弧領域１１それぞれに設けられ、羽根が杭本体の外周面を一端側から他端側へと螺旋状に取り囲む回転方向と反対方向の始点から終点に向けて延出量が大きくなる。【選択図】図１
To provide a tubular pile improved in a cost aspect by reducing the number of components as a tubular pile and reducing a work of attaching another component.SOLUTION: A tubular pile comprises: a cylindrical pile body 10 at least whose one end side is open; a blade 20 which is a plate-like fan-shaped member that is clamped by an arc formed by an outer periphery of the pile body and an arc that is coaxial with the pile body, has a larger diameter, and covers a predetermined angle range in plan view crossing an axial line 200 of the pile body, and which spirally surrounds a region going from the one end side to the other end side on an outer peripheral surface of the pile body; and a plurality of excavation blades 30 respectively extending from one end of the pile body. The excavation blades are respectively provided in an arc region 11 which is formed by equally dividing one end face of the pile body according to the number of the excavation blades in plan view crossing the axial line. The excavation blade increases an extension amount as going from a start point to an end point in an opposite direction to a rotation direction in which the blade spirally surrounds the outer peripheral surface of the pile body from the one end side toward the other end side.SELECTED DRAWING: Figure 1
【課題】管状杭としての部品点数を減らして別部材を取り付ける作業を削減することで、コスト面で改善される管状杭を提供する。【解決手段】少なくとも一端側が開放された円筒形状の杭本体１０と、杭本体の軸線２００と交差する平面視で、杭本体の外周がなす円弧、及び、杭本体と同軸かつ大径で所定の角度範囲にわたる円弧、に挟まれた板状扇形の部材であり、杭本体の外周面において一端側から他端側へと至る領域を螺旋状に取り囲む羽根２０と、杭本体の一端からそれぞれ延出する複数の掘削刃３０と、を備え、掘削刃は、軸線と交差する平面視で、杭本体の一端面を掘削刃の数に応じて等分割してなる円弧領域１１それぞれに設けられ、羽根が杭本体の外周面を一端側から他端側へと螺旋状に取り囲む回転方向と反対方向の始点から終点に向けて延出量が大きくなる。【選択図】図１
TUBULAR PILE
管状杭
ISHIBASHI HIROSHI (author)
2021-07-15
Patent
Electronic Resource
Japanese
IPC:
E02D
FOUNDATIONS
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Gründungen