METHOD FOR ERECTION OF FOUNDATION, FOUNDATION AND PILE Russian patent published in 2010 - IPC E02D27/00 E02D7/02 

FIELD: construction.

SUBSTANCE: group of inventions is related to construction and may be used to erect foundations of industrial and civil buildings with high vertical and horizontal loads under complex engineering and geological conditions, including undermined territories. In process of pile foundation erection piles are installed serially. At least one of piles is driven towards and at the angle to the previously arranged pile with provision of mutual support. Piles may be curvilinear. In this case they are submerged in soil with convexity to the side of base soil with the possibility to form arches in soil, which are inserted one into another. Piles may be provided with widening, then they are driven till mutual support in the area of widening. Widening may be arranged with holes or in the form of forks with teeth, also equipped with links with the possibility of their partial rumpling or damaging. Widening teeth may be joined by rope, besides rope is fixed on outer teeth and is pulled through holes with rollers in central teeth.

EFFECT: improved bearing capacity of foundation, reduced labour intensiveness of its erection.

2 dwg, 15 cl