The high cost of ribbon foundations,reinforced concrete piles and metal piles,the complexity of such work requires the introduction of a promising method of pile foundations,which are particularly suitable for areas with complex hydrogeological conditions,one of which is the Voronezh Region.A new method for the construction of pile foundations is presented,consisting in the device of micropiles in the knocked-out wells directly on the construction site by using the nozzle on the excavator.The nozzle is a metal pipe with a replaceable steel tip with a diameter of 0.12 to 0.87 m and a length of 0.8 to 3.5 m.Piles are monolithic(made on a construction site).The study of this technology allowed to find out that the use of the nozzle in the device of micropiles reduces the material consumption of works and increases productivity,greatly simplifying the process of construction of pile foundations.
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