FIELD: construction.
SUBSTANCE: screw pile comprises a shaft with screw shoe being fixed to the front end of the pile in screwing direction. Screw shoe is represented with hub having screw blade and tapered nipple, which is rigidly connected with exhaust openings by means of tubular roller. Exhaust openings are directed perpendicular to roller axis. Tapered nipple is also connected with screw anchor having screw blade with the same coiling and pace as screw blade of shoe hub. Tubular roller is coupled with gas-dynamic pulse source, which may be implemented as air-gas mixture source connected by the system of operating agent supply to tubular roller and start-up element.
EFFECT: decrease of screw pile screwing moment.
2 cl, 2 dwg
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