METHOD OF LEVELING BUILDINGS AND STRUCTURES Russian patent published in 2016 - IPC E02D35/00 

FIELD: construction.

SUBSTANCE: invention relates to reconstruct building structures, namely, to eliminate their common deformations. Known is a method of elimination of deformations of buildings and structures including operations of measuring equipment mounting for geodetic monitoring, installation of sliding injectors in soils of bases of buildings or structures, preliminary injection into the soil of bases of a highly-permeable solution, compensating injection of a low-permeable solution herewith both stages of injection are performed through the sliding injectors, sliding holes of which are located in two or more tiers. Preliminary injection forms a matrix layer, pores of which are filled, and the skeleton is not disturbed. Matrix layer can take up pressure and move under the pressure, thus contributing to lifting the foundation. Expandable layer is formed directly during lifting the foundation due to the low-permeable solution pumping at high pressure. Novelty of the proposed invention is that specified are maximum and minimum pressure and the maximum one at preliminary and compensation heating, identified is an interdependence of parameters characterizing the compensation injection. Efficiency of the proposed technical solution is the possibility of the process control. This is achieved by that selected are such compositions of the solutions and modes of their injection, both at the stage of preliminary injection and at the stage of compensating injection, at which practically excluded are unexpected effects (such as cracking of the matrix layer and uncontrolled outflow of the injected solution through the cracks).

EFFECT: control over the process is brought to the fact that depending upon readings of geodesic measurements uniquely set are the parameters of flow rate and pressure of the injected solution, herewith a computer program algorithm is developed, which provides the process automation.

1 cl, 2 dwg