ERECTION METHOD OF PILE FOUNDATION FOR REINFORCEMENT Russian patent published in 2016 - IPC E02D5/56 

FIELD: construction.

SUBSTANCE: invention relates to construction and can be used in construction of piles for both new building and for reconstruction of existing ones. Erection method of pile foundation for reinforcement involves well drilling with simultaneous installation of pile, concreting soil and pile shaft throughout height of well. Drilling steel is used as piles with lengthwise inner hole, which simultaneously acts as injection tube, wherein pile is additionally equipped with helical winding (spring) outside along the whole length of pile, wherein winding is made of wire and it is fixed in points on outer surface of pile, and diameter of spiral winding is always less than diameter of tip. Drilling of soil is made with special tip fixed on lower end of pile, wherein tip is made with possibility of passage through it concreting solution through inner inclined holes of tip, and diameter of tip is always greater than diameter of pile core. For erection of high piles several sections of drilling steel are used, which are combined with each other, for example by special clamps.

EFFECT: technical result consists in improvement of carrying capacity of piles to minimize costs, lower labor input.

1 cl, 3 dwg, 1 tbl