FIELD: construction industry, preparation of foundations of buildings and structures erected on subsiding and structurally unstable soils. SUBSTANCE: process of preparation of foundation includes formation of holes with installation of injectors, soaking, compaction and reinforcement of mass of soil with hardening solution through hydraulic rupture. Soaking, compaction and reinforcement of mass of soil are carried out in one stage with feed of hardening solution through guiding hydraulic rupture. Reinforcement is implemented in the form of system of vertical adjustable flat members of enhanced rigidity. Foamed hardening cement-and-soil solution is used in the capacity of soaking, compacting and reinforcing solution. EFFECT: increased efficiency of process. 1 cl, 6 dwg
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