Construction of geomembrane

Release time:

2024-08-27

Geomembrane is an anti-seepage material widely used in civil engineering and environmental protection projects.

Geomembrane is an anti-seepage material widely used in civil engineering and environmental protection projects. It is usually used in anti-seepage projects such as landfills, reservoirs, and tunnels. There are many methods for the construction of geomembranes, but generally include the following main steps:

1. Construction preparation
Material preparation: Select geomembranes that meet the requirements of the engineering design and prepare necessary accessories, such as joint materials, anchoring materials, etc.
Tool preparation: Including film cutting knives, welding equipment (such as hot wedge welders, hot air welders), testing instruments (such as barometers, vacuum test devices), etc.
Site preparation: Clean and level the construction site to ensure that there are no sharp objects or uneven places to avoid damage to the geomembrane.

2. Laying geomembrane
Laying method: Lay the geomembrane according to the laying direction and sequence of the engineering design. When laying, avoid pulling it too tight to prevent deformation after thermal expansion and contraction.
Overlap treatment: The overlapping part of the geomembrane usually needs to leave a certain width (generally 10~15 cm) for subsequent welding or bonding.
Fixing treatment: On slopes or complex terrain, geomembranes need to be fixed. Common methods include anchor groove fixation, sandbag weighting, etc.

3. Seam welding
Welding preparation: Select appropriate welding equipment and welding parameters, such as temperature and speed, according to the type of membrane material. Before welding, the overlap parts need to be cleaned to ensure that there are no dust, oil and other factors that affect the welding quality.
Welding operation: Use hot wedge welders or hot air welders for welding. The welding speed should be kept uniform to avoid being too fast or too slow. After welding is completed, the weld quality needs to be checked immediately.
Weld detection: Usually the vacuum method, air pressure method or electric spark method is used to detect the weld to ensure that the sealing and strength of the weld meet the requirements.

4. Quality inspection
Appearance inspection: Check whether the geomembrane has problems such as damage, wrinkles or uneven welds.
Anti-seepage detection: The anti-seepage effect is tested by water injection or air compression to ensure that there is no leakage.

5. Backfill protection
Backfill material selection: When backfilling the protective layer above the geomembrane, fine-grained materials should be selected to avoid using materials containing sharp particles.
Backfill operation: When backfilling, attention should be paid to even laying to avoid concentrated loads that may damage the geomembrane.

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.

Apr 25,2024

Landfill

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

Apr 25,2024

Mining

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.

Apr 25,2024

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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Ditch Construction

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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