FIELD: construction.
SUBSTANCE: coating contains a polypropylene frame consisting of two layers of nonwoven- and woven geo-textile, between which there is a layer of bentonite clay. For possible laying of geo-composite coating in still water and prevention of premature hydration of bentonite, the coating is placed between two layers of film sheets with a thickness of 0.2 mm each. As a ballast layer, use is made in the coating of fine sand with fractions bigger than or equal to 1.5-2.0 mm and having a depth of 3 mm.
EFFECT: there is ruled out premature hydration of bentonite during laying of coating in water and in case of accidental interaction with water.
4 cl, 2 dwg
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