FIELD: process engineering.
SUBSTANCE: invention relates to watertight diaphragms from polymer sheets, particularly, to butt joints thereof, and can be used at canals and pools with their beds exhibiting soil subsidence and heaving. Separate flexible polymer sheets are laid on canal prepared bed. Strips of polymer material and woven geotextiles are soldered to polymer sheets to make deformed fold. Note here that watertight braid is fitted in said formed fold. Said braid is made of nonwoven geotextiles and composed of a hollow cylinder with filler of bentonitic clay. Then, sealing adhesive tape is glued thereto to cover connection seam.
EFFECT: reliable joint and seal.
1 dwg
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