Zhuyuan Geosynthetic Clay Liner

Geosynthetic clay liners (GCLs) are a type of engineered barrier material commonly used in the construction of landfills, waste containment facilities, and other civil engineering projects that require a high degree of impermeability. These liners consist of a thin layer of bentonite clay, which is a naturally occurring clay mineral known for its ability to swell and form a tight seal when hydrated, sandwiched between two layers of geosynthetic materials such as geotextiles or geomembranes.

The combination of the bentonite clay and geosynthetic materials provides a highly effective barrier against the migration of liquids and gases, making GCLs an ideal choice for containing and isolating hazardous waste, leachate, and other contaminants. GCLs are also lightweight, flexible, and easy to install, making them a cost-effective and practical solution for a wide range of applications. Additionally, they require minimal maintenance and have a long service life, making them a sustainable and environmentally responsible choice for waste containment and management.

Support bulk ordering with favorable prices.

Support ODM/OEM.

The factory has stock and fast delivery.

Delivery Time: 10-20 working days

Minimum Order Quantity: 300 square meters

Payment Term: 30% T/T Deposit, 70% T/T Before Shipping


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Product Details

Specification

Mass per unit area: 3000g/m

Width:4-6m


Technical Data:


Test ltem

Test Properties

Unit

GCL4

GCL5

GCL5

GCL7

GCL8

Weight

g/

400

500

600

700

800

Film Thickness

Mm

0.25-0.35

0.30-0.50

Mechanical

Properties

Break Strength

kN/m

5.0

7.5

10.0

12.0

14.0


Break Elongation

%

30-100

30-100

30-100

30-100

30-100


CBR Burst

Strength

KN

1.1

1.5

1.9

2.2

2.5


Tear Resistance

KN

0.15

0.25

0.32

0.40

0.48


Peel Strength

N/cm

≥6

≥6

≥6

≥6

≥6

Hydrostatic

Pressure

Film Thickness

Mm

0.2

0.3

0.4

0.5

0.6


One cloth one  film

Mpa

0.4

0.5.

0.6

0.8

1.0


Two cloth one film

Mpa

0.5

0.6

0.8

1.0

1.2

 


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Advantages :

Low Permeability:

GCLs have a very low permeability, making them highly effective barriers against the migration of liquids and gases. This is due to the swelling properties of the bentonite clay, which forms a tight seal when hydrated.

Self-Healing and Self-Seaming Capabilities:

GCLs have the unique ability to self-heal punctures and self-seam at overlaps. This means that if the liner is punctured or damaged during installation or use, the bentonite clay will swell and seal the opening, preventing leakage.

Ease of Installation:

GCLs are lightweight, flexible, and easy to install, which can significantly reduce installation time and labor costs. They can be easily cut and shaped to fit complex geometries and can be installed using a variety of methods, including roll-out installation.

Cost-Effectiveness:

In regions where natural clay is not readily available, GCLs can be a cost-effective alternative to compacted clay liners. Additionally, their low permeability and self-healing capabilities can reduce the need for additional layers of containment materials, further reducing costs.

Durability and Longevity:

GCLs are designed to withstand a wide range of environmental conditions and are resistant to degradation caused by factors such as UV radiation, chemicals, and temperature fluctuations. This results in a long service life and minimal maintenance requirements.

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Environmental Benefits:

By providing a highly effective barrier against the migration of contaminants, GCLs help to protect groundwater and the environment from pollution. They also contribute to sustainable waste management practices by enabling the construction of more efficient and environmentally responsible landfills and containment facilities.

Versatility:

GCLs can be used in a wide range of applications, including landfills, waste containment facilities, surface impoundments, and other civil engineering projects that require a high degree of impermeability.


 

Applications:

 

Geosynthetic clay liners (GCLs) have a wide range of applications in various industries and civil engineering projects that require containment and isolation of liquids, gases, and contaminants. Here are some of the primary applications of GCLs:

 

1. Landfills and Waste Containment Facilities

Sanitary Landfills: GCLs are commonly used as a barrier layer beneath and/or around landfills to prevent the migration of leachate and other contaminants into the surrounding environment. They provide a high level of impermeability and are effective in isolating waste from groundwater and soil.

Waste Containment Cells: In hazardous waste containment facilities, GCLs can be used to line waste cells, sumps, and other containment areas to prevent the release of contaminants into the environment.

2. Environmental Engineering

Surface Impoundments: GCLs are used to line surface impoundments, such as lagoons and ponds, that store liquids like wastewater or industrial effluents. They prevent the leaching of contaminants into the surrounding soil and groundwater.

Contaminated Soil Management: In sites with contaminated soil, GCLs can be used to isolate the contaminated soil and prevent the spread of contaminants to uncontaminated areas.

3. Civil Engineering

Canal and Reservoir Linings: GCLs are used to line the bottoms and sides of canals, reservoirs, and other water storage facilities to prevent seepage and ensure water retention.

Tunnel and Subway Waterproofing: In tunnel and subway construction, GCLs can be used as a waterproofing layer to prevent the ingress of groundwater and ensure the structural integrity of the tunnels.

4. Infrastructure Construction

Landfill Gas Collection Systems: GCLs can be incorporated into landfill gas collection systems to isolate the gas-collecting pipes from the surrounding waste and prevent the migration of contaminants.

Foundation Isolation: In some cases, GCLs may be used as a foundation isolation layer to prevent the transmission of moisture and contaminants from the ground into the building's foundation.

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5. Other Applications

Agriculture: GCLs can be used in agriculture to line irrigation canals and ponds, reducing water loss through seepage and improving water use efficiency.

Mining: In mining operations, GCLs can be used to line tailings ponds and other containment structures to prevent the release of contaminants into the environment.

 

Packaging:

Customer's company Logo mark can be added.

Packed in woven bags.

clay liner.jpg

Q&A:

 

Q: What can you buy from us?

A: Geomembrane,Geogrid,Geocell, Geotextile, Geocomposite, and so on.

Q: Can I have a sample?

A: Yes. And sample free.

Q: What's the payment terms?

A: T/T or L/C. Others could be negotiated.


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