FIELD: construction.
SUBSTANCE: multi-layer hydraulic insulation of an underground structure includes layers of geotextile, geomembranes and an internal safety drainage layer from geonet. Hydraulic insulation is formed by an external closed layer of geotextile made from material with a property of temporary filtration unidirectional in transverse direction, external and internal hydraulic insulating layers with closed geomembranes, between which there is an internal safety drainage layer from geonet.
EFFECT: invention makes it possible to increase reliability of hydraulic insulation.
6 cl, 11 dwg
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