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Why geomembranes are used in dam construction

Release time:

2024-09-05

Dam liner is a kind of anti-seepage or waterproof dam lining material. Seepage control membrane is a seepage control material composed of PE geomembrane as base material and geotextile, and its seepage control performance depends on PE geomembrane. The PE geomembrane used for seepage control geomembrane has PVC, polyethylene, EVA (ethylene/vinyl acetate copolymer), etc. It is a kind of high polymer chemical flexible material with small specific gravity, strong elongation, strong adaptability to deformation, corrosion resistance, low temperature resistance, and good anti-freezing property. Its main mechanism is to use the plastic geomembrane impermeability to cut off the seepage channel of the earth dam, and use its greater tensile strength and elongation to resist water pressure and adapt to the deformation of the dam.

Dam Liner plays a very important role in protecting the soil between the waste and the ground, as well as preventing bacterial contamination of water from waste and sewage, and is used in various industries for seepage control. Dam Liner's powerful impermeability makes it the most commonly used impermeable material among geosynthetics, which also have this irreplaceable impermeable effect.

Dam Liner Features:

1, high impermeability coefficient - impermeable membrane with ordinary waterproof materials can not be compared with the impermeability effect, can overcome the uneven settlement of the substrate, high water vapor permeability coefficient

2, chemical stability - impermeable membrane has excellent chemical stability, used in sewage treatment, chemical reaction pools, landfills and so on. Resistant to high and low temperatures, asphalt, oil and tar, acid, alkali, salt and other 80 kinds of strong acid and alkali chemical media corrosion

3. anti-aging properties - seepage control geomembrane has excellent anti-aging, anti-ultraviolet, anti-decomposition ability, can be used with bare hands, the service life of the material is 50-70 years, for environmental seepage control provides a good material guarantee.

4. Resistant to plant roots - HDPE impermeable membrane has excellent resistance to puncture, can resist most of the plant root system

5, high mechanical strength - seepage control membrane has good mechanical strength, tensile strength at break 28MPa, elongation at break 700

6, low cost, high efficiency - HDPE impermeable membrane using new technology to improve the impermeable effect, but the production process is more scientific, fast, so the cost of products than traditional waterproofing materials to be lower, saving costs about 50%!

7, fast construction - anti-seepage membrane flexibility, there are a variety of specifications, laying form, can meet the seepage control requirements of different projects, the use of heat fusion welding, weld strength, construction is convenient, fast, hygienic.

8, environmental protection and non-toxic - anti-seepage membrane materials used are non-toxic environmentally friendly materials, seepage control principle for the ordinary physical changes, does not produce any harmful substances, is the best choice for environmental protection, aquaculture, drinking water pool.

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PROJECT CASES

Aquaculture

In the aquaculture industry, geosynthetics such as Huaxiang geomembranes and geotextiles can be used to create healthy aquaculture ponds, ensure stable water quality and reduce water resource consumption. All geosynthetics provided by Huaxiang can be customized according to customer needs.

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Landfill

Huaxiang Factory provides customers with high-standard geosynthetics to meet their needs for building landfills.

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Huaxiang geosynthetics are widely used in mining projects and have a long service life. Product specifications are customized according to customer needs, and customers are very welcome to visit our factory.

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Agriculture

In agricultural irrigation and biogas digester scenarios, geosynthetics such as geomembranes and geotextiles play a key role due to their respective characteristics. The products provided by Huaxiang Factory meet the standards and can be customized according to requirements.

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Road Construction

The geosynthetics such as geomembranes, geotextiles, geogrids, geocells, etc. provided by Huaxiang play an irreplaceable role from roadbed treatment to pavement protection, from drainage systems to environmental protection isolation.

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Slope Protection

The application of geosynthetics in mining runs through every link from mine construction to tailings treatment, waste rock dump management and slope protection, playing an indispensable role in improving mining production safety, reducing environmental pollution and ensuring sustainable development of resources.

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In the field of canal and canal construction and maintenance, geosynthetics have made important contributions to the efficient operation of water conservancy projects, the rational use of water resources, and the improvement of project durability through their unique functions.

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Coastal Engineering

In coastal engineering, geosynthetics such as Huaxiang geobags, cement blankets, and geogrids play an important role in coastal engineering from coastal protection, structural reinforcement to slope stability, and effectively respond to the challenges brought by the complex geology and environment of coastal areas.

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