Geomembrane products are generally composite, which are synthetic materials with good anti-seepage effect. Geomembrane is laid on the slope surface that needs anti-seepage treatment, and sand cushion or concrete is laid on it. Concrete layer is sealed on the top of the embankment to form a closed overall anti-seepage system.
Geomembrane is a composite form of two cloths and one membrane. The laying is divided into two parts: canal bottom laying and slope surface laying. The laying method is rolling along the axis of the canal, slope surface laying is rolling along the axis of the slope, and the geomembrane at the bottom of the canal is connected in a T-shape.
The construction of geomembrane should be carried out in dry and warm weather. The splicing of geomembrane adopts the hot melt welding method. The quality of welding directly affects the anti-seepage effect of geomembrane.
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