Landfill Anti-Seepage Geomembrane

Introduction Of Anti-Seepage Geomembrane For Landfill

Landfill anti-seepage geomembrane is one of the necessary materials for waste disposal at present. It has high strength, good anti-seepage performance, strong anti-corrosion, anti-aging ability, and convenient construction. It is used in urban domestic waste landfills. The reliability and application are in good condition.

Advantages Of High-Density Polyethylene (HDPE) Geomembrane

1) Good penetration performance;

2) Corrosion resistance to most chemical substances;

3) Has good mechanical and welding characteristics;

4) Good working characteristics at low temperature;

5) Can be made into various thicknesses; not easy to age.

Qualified HDPE landfill anti-seepage geomembrane has a strong anti-seepage ability, and its permeability coefficient can be below. Moreover, it has strong chemical corrosion resistance, a mature manufacturing process, and easy on-site welding, so it is used in the anti-seepage treatment of landfills. HDPE geomembrane has two kinds of textured surface and smooth surface. A textured surface geomembrane is used for slope surfaces to increase stability and prevent landslides. The smooth geomembrane is used at the bottom of the landfill, which is cheap and applicable.

Performance Characteristics Of Anti-Seepage Geomembrane In Landfill

1) It has high resistance to environmental stress cracking and chemical corrosion resistance;

2) Excellent chemical corrosion resistance;

3) It has a large operating temperature range and a long service life;

4) Used in landfills, tailings storage sites, channel seepage prevention, dam seepage prevention, subway engineering, etc.

Common Thickness Of Anti-Seepage Geomembrane In Landfill

The common thickness of the anti-seepage geomembrane in the landfill: is 0.75mm 1.0mm 1.5mm 2.0mm, according to the different parts of the project, choose different thicknesses of the anti-seepage geomembrane for the landfill. Generally speaking, the middle-term coverage of rain and sewage diversion is 1.0mm. Landfill anti-seepage geomembrane, new construction, and final coverage use 1.5mm, 2.0mm landfill anti-seepage geomembrane.

Use Of Anti-Seepage Geomembrane In Landfill

HDPE anti-seepage geomembrane is suitable for the salt industry: salt field crystallization pond, brine pond thatch cover, salt film;

HDPE anti-seepage geomembrane is suitable for water conservancy projects: such as anti-seepage, plugging, reinforcement of dams of rivers, lakes, and reservoirs, anti-seepage of canals, vertical core walls, slope protection, etc.;

HDPE anti-seepage geomembrane is suitable for sanitation: such as landfills, sewage treatment plants, power plant conditioning pools, industrial, hospital solid waste, etc.;

HDPE anti-seepage geomembrane in municipal engineering: subway, building underground engineering, planting roof, roof garden, sewage pipe anti-seepage;

HDPE anti-seepage geomembrane is suitable for aquaculture: intensive, factory-based breeding ponds, the lining of fish ponds, shrimp ponds, sea cucumber circle slope protection, etc.;

HDPE anti-seepage geomembrane is suitable for agriculture: anti-seepage of reservoirs, drinking water pools, storage ponds, and irrigation systems;

HDPE anti-seepage geomembrane is suitable for petrochemical: chemical plant, oil refinery, oil storage tank anti-seepage, chemical reaction tank, sedimentation tank lining, secondary lining, etc.;

HDPE anti-seepage geomembrane is suitable for gardens: artificial lakes, rivers, reservoirs, pond bottoms of golf courses, slope protection, green lawns, etc.;

HDPE anti-seepage geomembrane is suitable for transportation facilities: foundation reinforcement of highways, anti-seepage of culverts;

HDPE anti-seepage geomembrane is suitable for the mining industry: washing tank, heap leaching tank, ash dump, dissolution tank, sedimentation tank, storage yard, the bottom lining of tailings, etc.;

Construction Technology Of Anti-Seepage Geomembrane In Waste Landfill

The anti-seepage geomembrane of the landfill should not be dragged or pulled hard during transportation to avoid being stabbed by sharp objects;

It should extend from the bottom to the high position, do not pull too tight, and leave a margin of 1.50% for local sinking and stretching;

Taking into account the actual situation of the project, the slope is laid in the order from top to bottom;

The longitudinal joints of two adjacent sheets should not be on a horizontal line, and should be staggered by more than 1m;

The longitudinal joint should be more than 1.50m away from the dam foot and the best foot, and should be set on the plane;

When laying the slope, the film spreading direction should be parallel to the larger slope line;

First the slopes and then the bottom of the field.

Compared with the ordinary geomembrane, the anti-seepage geomembrane of the landfill has higher tensile strength, greater elongation, and stronger acid resistance, and the geomembrane can be used for a longer time. The anti-seepage geomembrane of the landfill is more inclined to use the textured surface geomembrane with an anti-slip effect.

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