SCREW PILE IN SOIL WITH DETACHABLE TIP Russian patent published in 2015 - IPC E02D5/56 

FIELD: construction.

SUBSTANCE: screw pile in soil with a detachable tip comprises a hollow shaft and soil at its external side, besides, the shaft is equipped with a detachable tip, having the upper and lower conical parts and equipped with a helical blade in the conical part. In the body of the conical part of the tip there are holes, which are arranged in the end of the specified part, and also along the helical line of coupling of the side surface of the conical part of the tip with the helical blade and are placed above the blade and/or under it. Soil adjacent to the pile is evenly mixed with soil-strengthening mixture along trajectory of passage of helical blades of the pile shaft during its screwing and is connected with the strengthened layer of soil arranged below the blade.

EFFECT: increased reliability and bearing capacity of a screw pile in soil with a detachable tip in process of its operation.

1 dwg