SCREW PILE Russian patent published in 2014 - IPC E02D5/56 

Abstract RU 2536547 C1

FIELD: construction.

SUBSTANCE: screw pile contains a shaft made along the perimeter in the form of a multi-start screw surface with screw grooves inside the screw shaft in the form of pockets of a curved shape with centres of curvature located inside the cross section of the screw shaft. In this case, the shaft is made of three or more identical strips of a rectangular shape twisted in the longitudinal direction relative to the longitudinal axis and bent along the screw line in the transverse direction on the cylindrical mandrel with the formation of an overlapping inside the shaft in the form of screw blades throughout the length.

EFFECT: facilitation of the shaft dipping into the ground, simplification of manufacturing and expansion of technological capabilities, increase of rigidity and vibration resistance of the screw pile.

7 dwg

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RU 2 536 547 C1

Authors

Serga Georgij Vasil'Evich

Bolgov Igor' Vasil'Evich

Klikun Nikita Aleksandrovich

Chernjavskij Denis Alekseevich

Dates

2014-12-27Published

2013-07-29Filed