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Biaxial Geogrid Plastic Grid for Retaining Wall Road Reinforcement

Plastic biaxial geogrid, a versatile and robust geotechnical synthetic material, plays a pivotal role in reinforcing retaining walls and road constructions. Fabricated from polymers such as polypropylene or polyethylene, this material undergoes a stretching process to form a bidirectional or multidirectional geometric grid-like structure. Its primary function lies in enhancing soil bearing capacity and shear resistance, thereby improving the stability of soil masses against natural hazards like wind, floods, and earthquakes.Characterized by high strength, stiffness, durability, chemical stability, and excellent resistance to aging and UV radiation, plastic biaxial geogrid maintains its integrity in diverse environmental conditions, including water, acids, and alkalis. Its bidirectional stretching imparts exceptional flexibility and deformation capacity, allowing it to conform to various soil contours and enhancing its bond and friction with the surrounding soil.

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Product Details

Plastic biaxial geogrids, as their name suggests, are manufactured from high-strength polymeric materials and feature a bidirectional grid pattern that provides exceptional tensile strength and dimensional stability. These unique properties make them an invaluable addition to various construction projects, enhancing soil reinforcement, stability, and load-bearing capacity.

Specification：

TGSG15-15 TGSG20-20

TGSG25-25 TGSG30-30

TGSG35-35 TGSG40-40

TGSG45-45 TGSG50-50

Technical Data:

Properties Item	Tensile StrengthkN/m2		Elongation Rate %		Strength at 2%elongation KN/M		Strength at 5%elongation ≥KN/M
	Longitudinal	Transverse	Longitudinal	Transverse	Longitudinal	Transverse	Longitudinal	Transverse
TGSG15-15	≥15	≥15	≤13	≤16	≥5	≥7	≤8	≤10
TGSG20-20	≥20	≥20	≤13	≤16	≥8	≥10	≤10	≤13
TGSG25-25	≥25	≥25	≤13	≤16	≥8	≥11	≤11	≤13
TGSG30-30	≥30	≥30	≤13	≤16	≥11	≥13	≤15	≤15
TGSG35-35	≥35	≥35	≤13	≤16	≥12	≥14	≤15	≤18
TGSG40-40	≥40	≥40	≤13	≤16	≥13	≥15	≤16	≤20
TGSG45-45	≥45	≥45	≤13	≤16	≥14	≥16	≤17	≤22
TGSG50-50	≥50	≥50	≤13	≤16	≥15	≥17	≤18	≤24

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Advantages :

High Tensile Strength and Stiffness:

Plastic biaxial geogrids offer exceptional tensile strength and stiffness in both longitudinal and transverse directions. This allows them to effectively distribute and resist loads, enhancing the overall stability of retaining walls and road structures.

Lightweight and Easy to Handle:

Compared to traditional reinforcement materials like steel or concrete, plastic biaxial geogrids are significantly lighter and easier to transport, install, and handle on-site. This not only reduces labor costs but also speeds up construction timelines.

Corrosion Resistance:

Plastic materials are inherently resistant to corrosion, making them an ideal choice for reinforcement in environments where exposure to moisture, chemicals, or saltwater is likely. This durability ensures a longer service life and reduced maintenance requirements.

Excellent Soil Interaction:

The open mesh structure of plastic biaxial geogrids allows for effective soil interlocking, which enhances the overall composite strength of the soil-grid system. This improved soil-structure interaction helps to distribute loads more evenly and increases the overall stability of the retaining wall or road.

Flexibility and Adaptability:

Plastic biaxial geogrids can conform to a variety of shapes and contours, making them well-suited for use in complex retaining wall and road reinforcement designs. This flexibility also allows for easy integration with other construction materials and techniques.

Cost-Effectiveness:

While the initial cost of plastic biaxial geogrids may be comparable or slightly higher than some traditional reinforcement materials, their long-term durability, ease of installation, and reduced maintenance costs often make them a more cost-effective solution in the long run.

Environmentally Friendly:

Plastic biaxial geogrids are made from recyclable materials, and their long service life and low maintenance requirements contribute to reduced waste and environmental impact. Additionally, they can be easily removed and replaced if necessary, minimizing disruption to the surrounding environment.

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Applications:

Road Construction and Maintenance:

In road construction, plastic biaxial geogrids are often used as reinforcement layers beneath asphalt or concrete pavements. They distribute loads evenly, reducing stress concentrations and preventing pavement cracking and rutting. This extends the lifespan of roads and reduces maintenance costs.

For road widening projects, geogrids help to integrate new pavement sections seamlessly with existing ones, ensuring a smooth transition and improved overall road stability.

Slope Stabilization:

Steep slopes and embankments pose significant stability challenges. By incorporating plastic biaxial geogrids into slope reinforcement systems, soil cohesion and shear resistance are significantly enhanced. This prevents slope failures, such as landslides and erosion, while also facilitating vegetation growth, which further stabilizes the slope.

Retaining Structures:

In retaining wall systems, plastic biaxial geogrids act as reinforcing elements within the soil mass. They increase the soil's overall strength and stability, allowing for the construction of taller walls with reduced foundation requirements. This is particularly useful in urban landscapes where space is limited.

Foundation Reinforcement:

For soft soil foundations, plastic biaxial geogrids can be installed to improve load-bearing capacity and reduce settlement. By reinforcing the soil, geogrids distribute loads more evenly and prevent excessive deformation, ensuring the stability of structures built upon them.

Canal and Riverbank Protection:

The erosive forces of water can quickly degrade unprotected riverbanks and canal embankments. Plastic biaxial geogrids, when combined with soil or other geosynthetic materials, form robust erosion control systems that withstand the impacts of flowing water. This preserves the integrity of waterways and protects adjacent lands.

Landfill Liners and Covers:

In landfill construction, plastic biaxial geogrids are used to reinforce the liner and cover systems. They provide additional strength and stability, helping to prevent punctures and tears that could compromise the environmental integrity of the landfill.

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