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5mm HDPE Geonet

5mm HDPE Geonet

Products Description 5mm HDPE GeonetFormally known as geotechnical drainage board, tunnel drainage board, or simply drainage board, this innovative product encompasses a three-dimensional plastic mesh structure that is bonded with seepage geotextiles on both sides. Its remarkable design allows...

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Product Introduction
Products Description

 

 

 

5mm HDPE GeonetFormally known as geotechnical drainage board, tunnel drainage board, or simply drainage board, this innovative product encompasses a three-dimensional plastic mesh structure that is bonded with seepage geotextiles on both sides. Its remarkable design allows it to effectively replace the conventional sand and gravel layer typically used for drainage purposes. Primarily utilized in landfill sites, subgrade constructions, and tunnel walls, this drainage material proves to be an invaluable asset in facilitating the efficient drainage of excess water.

 

5mm HDPE geonet

 

5mm HDPE GeonetAn often-used material for facilitating drainage and air flow in landfills, roadbeds, ballparks, and other foundational structures is three-dimensional composite drainage networks. These are commonly available in specifications such as 5mm, 6.3mm, 7mm, and 8mm.

 

 

Products Application

 

3D composite drainage geonet

The three-dimensional composite drainage network is an innovative system with various applications and unique characteristics. This intricate network serves as an efficient solution for drainage and water management in different environments.
One of the notable applications of the three-dimensional composite drainage network is in urban areas. It is commonly used in urban planning and infrastructure development to enhance the efficiency of rainwater drainage. The network effectively prevents flooding and waterlogging by swiftly redirecting water flow through its interconnected channels.
Another application of the three-dimensional composite drainage network is in agricultural fields. It aids in efficient water management by improving irrigation systems. The network allows water to be distributed evenly across the fields, preventing water runoff, soil erosion, and waterlogged areas. This promotes optimal crop growth and maximizes the utilization of water resources.
Furthermore, the characteristics of the three-dimensional composite drainage network contribute to its effectiveness and versatility. Firstly, its intricate design comprises a series of interconnected channels, voids, and geotextile filters, ensuring optimal water collection and drainage. This design allows for fast and efficient water movement, reducing the risk of flooding and water accumulation.
Secondly, the composite materials used in the network's construction provide durability and resistance to chemical and biological degradation. This ensures the longevity of the drainage system, even in challenging environmental conditions.
Lastly, the three-dimensional composite drainage network is adaptable to various surface or subsurface applications. It can be installed beneath roads, sports fields, green roofs, and other surfaces where drainage and water management are crucial. Its versatility makes it a reliable solution for a variety of projects.
In conclusion, the three-dimensional composite drainage network offers numerous applications and possesses unique characteristics that make it an efficient solution for water management. Its widespread use in urban and agricultural settings showcases its adaptability and effectiveness in drainage and water collection.

 

The purpose of placing a layer between the foundation and the bottom is to facilitate the drainage of water and prevent capillary action. This layer plays a crucial role in integrating with the edge drainage system and ultimately enhances the longevity of the road.

 

The aging of the road and the formation of cracks result in a significant amount of rainwater infiltrating the section. To address this issue, a solution is to directly lay a three-dimensional composite drainage geonet under the pavement instead of using a drainage foundation. This innovative structure is effective for both rigid and flexible road systems, as it can considerably extend the road's lifespan. By implementing this method, the road's durability and overall quality can be greatly enhanced, ensuring better performance and longevity.

 

 

The installation of a three-dimensional composite drainage geonet on the base has multiple benefits. Firstly, it acts as a barrier, preventing fine materials from entering the base and isolating them effectively. Additionally, the geonet also restricts the upward movement of the aggregate base, playing a role similar to geogrid reinforcement. This restriction not only limits lateral displacement but also enhances the tensile strength and rigidity of the foundation. Consequently, the three-dimensional composite drainage network positively impacts the supporting capacity of the foundation, improving its overall performance.

 

One effective way to mitigate the damaging effects of frost heave in colder climates is to install a three-dimensional composite drainage geonet. By placing the mesh within the foundation, in a shallower position, it can block capillary action and prevent the development of ice crystals. This approach could potentially reduce the limitations on traffic loads during spring thaw, ensuring that transportation remains unaffected in regions prone to extreme cold. Overall, laying composite drainage geonet is an intelligent and efficient solution to address the effects of frost heave in colder climates.

 

 

The composite drainage geonet in three dimensions offers various advantages, including excellent drainage effectiveness, rapid drainage speed, high compressive capacity, outstanding load-bearing capabilities, and affordability. Additionally, it facilitates the installation and transportation of winding materials and can be utilized for reinforcement and protection purposes. Consequently, it finds extensive applications in engineering fields such as landfill construction and road strengthening.

 

 

 

 

Property

Unit

BC63/D200

BC70/D200

BC80/D200

BC90/D200

Test Standard

Drainage Net Specification

Hydraulic conductivity (MD)

m2/s

2.8×10-3

3.2×10-3

4.0×10-3

5 x10-3

ASTM D4716

Puncture Resistance

KN/m

0.17

0.17

0.17

0.17

ASTM D7005

Core Material Geonet Specification

Thickness

mm

6.3

7

8

9

ASTM D5199

Density

g/cm-3

0.94

0.94

0.94

0.94

ASTM D1505

Carbon Black Content

%

2

2

2

2

ASTM D1603

Tensile strength (MD)

kN/m

8

10

12

14

ASTM D7199

Hydraulic conductivity (MD)

m2/s

2.0×10-4

ASTM D4716

Geotextile Specification

Unit weight

g/m2

200

200

200

200

 

Geotextile type

Continuous filament non-woven geotextile

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