FIELD: formation of holes in ground. SUBSTANCE: method for formation holes in ground includes making pilot hole along design axis and widening of its one part by working member. Installed at the beginning of widened part of pilot hole is formation device. Supplied to inner hollow of hole widened part between working member and formation device is lining material. Upon completion of filling of inner hollow of hole widened part with lining material, formation device is moved towards working member to form hole lining layer. EFFECT: higher efficiency. 5 cl, 4 dwg
