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Municipal solid waste (MSW) landfills

Municipal solid waste (MSW) landfills

When designing MSW landfills, the environmental impact must always be taken into account. For this purpose, the project is subjected to an environmental impact assessment and the facility is inspected during operation to ensure that there is no environmental pollution.

Our range of products includes a wide range of geosynthetics for impervious blanket durability: bentonite mats, geomembranes, drainage geocomposites, etc.

A geosynthetic impervious blanket consists of a geomembrane and protective layers of geotextile fabric or geomembrane combined with bentonite matting and drainage.

Existing regulations should be used when calculating the design of the impervious blanket:

  • SN 551-82 "Guidelines for the design and construction of polyethylene film impervious blankets for artificial ponds"

  • SNiP 2.06.05-84* "Earth material dams"

The geomembrane is calculated for puncture and tension in accordance with the SN 551-82 guidelines based on the specific site conditions and loads. Uniform geomembrane size - 6 m roll width (convenient for transport + large coverage area), 1.5 mm thickness (suitable for most types of soils and loads).

If protection from heavy loads is required, a 2 to 2.5 mm thick geomembrane should be selected and the ground bed should additionally be lined with bentonite mats (especially if the soils have a high filtration coefficient).

Vectodrain PP drainage geocomposite and ISO-DRAIN 4+4 GEO drainage geomembrane are used in landfill remediation. While Vectodrain 11 PP is only used to collect biogas and separate layers, the drainage geomembrane ISO-DRAIN 4+4 GEO is operating also as a waterproofing membrane, with the composite laid down with a geotextile. The top profiled surface allows for adhesion to the backfill ground without forming a sliding surface that would cause backfill ground rolling-off.


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