FIELD: construction.
SUBSTANCE: double-layer coating is laid along canal perimetre, and concrete is filled through neck into cavity between its layers. Double-layer coating is made of geotextile material formed of two fabrics joined to each other by means of longitudinal local seams arranged in a staggered order. Besides, concrete is injected through necks arranged at the edge of fabric fixed on canal edge.
EFFECT: provides for operational reliability and durability of antifiltration coatings of irrigation canals and eliminates losses of water for filtration.
2 cl, 2 dwg
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