Composite geomembrane and manufacturing method thereof

Abstract

The invention discloses a composite geomembrane and a manufacturing method thereof, and belongs to the technical field of geomembranes. The composite geomembrane solves the problem that at present, folds are prone to appearing in construction of geomembranes. The composite geomembrane comprises a first waterproof layer, an anti-folding layer and a second waterproof layer. The anti-folding layer is composed of triangular unit structures. The composite geomembrane is simple in structure, the three-layer composite membrane structure is adopted, the upper waterproof layer and the lower waterproof layer are adopted, and therefore a good waterproof effect can be achieved; the anti-folding layer in the middle is composed of the triangular units, and therefore the structure is stable; and meanwhile PP materials are adopted, and the anti-folding effect can be achieved due to hardness and elasticity. The composite geomembrane is convenient and fast to lay and convenient to use, folds are not prone to appearing during construction, no complex construction modes are needed, and manpower and material resources are greatly saved. The manufacturing process is simple, and the composite geomembrane and the manufacturing method are suitable for large-scale production.

Description

technical field [0001] The invention belongs to the field of geomembrane technology, and in particular relates to a composite geomembrane and a manufacturing method thereof. Background technique [0002] The composite geomembrane has the characteristics of non-toxicity, wear resistance, corrosion resistance, high strength, easy construction, and low cost. It is widely used in various projects, especially water conservancy projects, and has achieved good economic and social benefits. [0003] The composite geomembrane is not laid smoothly, and the formation of folds will easily cause the geomembrane to be damaged when the lining concrete is poured, and will also affect the pouring quality of the thin-walled lining concrete. At the same time, it is easy to cut the geomembrane when cutting the expansion joint of the lining board. The sliding of the composite geomembrane on the canal slope will drag the geomembrane, which will affect the quality of the geomembrane, and even caus...

AI Technical Summary

Problems solved by technology

[0006] The invention provides a composite geomembrane and its manufacturing method, which solves the problem of easy generation of wrinkles in the current geomembrane construction, and provides a composite geomembrane with a three-layer structure, the upper and lower layers are waterproof layers, and the middle layer is The anti-wrinkle layer, the anti-wrinkle layer is composed of a triangular unit structure, and the structure is stable. This composite geomembrane fundamentally solves the problem that the composite geomembrane is prone to wrinkles.

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