FIELD: bases and foundations. SUBSTANCE: method includes placing of ground and pile model into chamber and application to chamber of side and axial loads. Used as ground is model of materials varying its hermetic parameters under action of electric field, e. g. , piezoelectrics. Pile model, first, is mechanically pressed with force constant in height but different or, similar to each separate side face. Pressing force is calculated depending on actual weakest ground layer, temperature, humidity and other factors. Then, applied to ground model is electric field different in strength in height of pile model to ensure different values of pressure due to properties of ground model material. Value of field is varied with same or different regularities. EFFECT: higher efficiency. 2 cl, 5 dwg
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