ROTATING BURIED PILE
PROBLEM TO BE SOLVED: To provide a rotating buried pile which has high excavating property and excellent vertical bearing capacity while having low manufacturing cost. SOLUTION: The rotating buried pile 1 is made to excavate and penetrate the ground by turning force and pressing force. The rotating...
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| creator | OGURI TAKESHI MAEDA HISAO |
| description | PROBLEM TO BE SOLVED: To provide a rotating buried pile which has high excavating property and excellent vertical bearing capacity while having low manufacturing cost. SOLUTION: The rotating buried pile 1 is made to excavate and penetrate the ground by turning force and pressing force. The rotating buried pile 1 has a steel pipe 2 and three or more planar blades 3 attached from the peripheral end surface of the steel pipe 2 toward the radially outward direction. Each blade 3 is arranged so that it is inclined to a steel pipe axis and that its excavation-side edge part 32 is positioned closer to the tip of the steel pipe 2. The blades 3 are arranged so as to radially and axially deviate their positions from each other, so that the adjacent blades 3 are partially overlapped when seen from the axial direction of the steel pipe 2. The whole of the blades are disposed almost spirally and disposed so as to cover the whole outer periphery of the steel pipe 2. COPYRIGHT: (C)2009,JPO&INPIT |
| format | Patent |
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SOLUTION: The rotating buried pile 1 is made to excavate and penetrate the ground by turning force and pressing force. The rotating buried pile 1 has a steel pipe 2 and three or more planar blades 3 attached from the peripheral end surface of the steel pipe 2 toward the radially outward direction. Each blade 3 is arranged so that it is inclined to a steel pipe axis and that its excavation-side edge part 32 is positioned closer to the tip of the steel pipe 2. The blades 3 are arranged so as to radially and axially deviate their positions from each other, so that the adjacent blades 3 are partially overlapped when seen from the axial direction of the steel pipe 2. The whole of the blades are disposed almost spirally and disposed so as to cover the whole outer periphery of the steel pipe 2. 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| language | eng |
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| subjects | EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES |
| title | ROTATING BURIED PILE |
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