FIELD: construction.
SUBSTANCE: invention relates to the field of hydraulic engineering and may be used to establish anti-filtration devices on irrigation canals, water reservoirs and waste accumulating ponds. The anti-filtration coating with a bentonite cord includes a double-layer coating laid along the canal perimeter. The coating is formed from two geomembrane widths. Widths are connected to each other by longitudinal seams. A bentonite cord is placed into the cavity between layers of the coating. A protective soil layer is filled above the geomembrane. Operational reliability and durability of the coating is provided.
EFFECT: invention eliminates water losses for filtration during damages of both lower and upper layers.
2 dwg
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