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What is Composite Geomembrane ?

Composite geomembrane is an impermeable material composed of geotextile and geomembrane liners. It is used for anti-seepage. The composite membrane is divided into one geotextile, one geomembrane, and two geotextile, one geomembrane.

It has high physical and mechanical performance indicators such as tensile strength, tear resistance, bursting, etc., and can meet the needs of civil engineering.

Composite Geomembrane

Applications

  • Irrigation ponds, canals, ditches & water reservoirs
  • Gravel Driveway, drainage, road construction.
  • Landfill cells, covers, & caps

Testing Standard

  • GRI GM 6/9/11/13/14/19
  • ASTM D792/D1004/D1238/D1505/D1603/D3895
  • ASTM D4218/D4833/D5199/D5397/D5596

Technical Specification

1. One geotextile and one geomembrane(geotextile: 100-1000g/m2; geomembrane thickness: 0.1-1.5mm)

2. Two geotextiles and one geomembrane(geotextile: 80-600g/m2; geomembrane  thickness: 0.2-1.5mm)

3. One geotextile and two geomembranes (geotextile: 100-1000g/m2; geomembrane  thickness: 0.1-0.8mm)

4. Many geotextiles and many geomembranes (geotextile: 100-1000g/m2; geomembrane  thickness: 0.1-0.8mm)

Construction Notes

1. Select the appropriate type and specification according to the project nature, category, application site, use conditions, design requirements, etc.

2. Determine the thickness of the geomembrane according to the required strength of the water pressure in the engineering design, as well as the application conditions such as exposure, buried pressure, climate, and service life.

3. Determine the width and length of the geomembrane according to the actual size, area, construction conditions, and construction capacity of the project, and the principle of smallest seams during construction.

4. When the base layer is a concrete structure, it is advisable to choose a filament non-woven composite soil geomembrane that can be bonded to the cement base layer.

5. It is used for anti-seepage treatment on highways. Generally, one geotextile and one geomembrane 200-300g/m are used for anti-seepage at the lower part of the central divider.

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