FIELD: construction.
SUBSTANCE: method of grouting involves sequential injection masses of gas and of mounting solution into the compactor. The fortifying solution is made in advance. It consists of an aqueous emulsion of a mixture of epoxy resins and a hardener; after that compressed air at a pressure of 0.1-0.3 MPa is pumped into the soil mass to extrude the groundwater from the pores. The fortifying solution is then injected into the pore spaces under pressure of 0.1-0.2 MPa and molding is produced by re-injection of compressed air, followed by re-injection of the next portion of the fortifying solution.
EFFECT: improved efficiency of grouting in sandy, macroporous and silty clay soils, including grouting at low temperature.
6 cl, 3 dwg
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