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Uniaxial Geogrids
Uniaxial Strength: Engineered for high tensile strength in one direction - perfect for slopes, retaining walls, and embankments.
Long-Term Stability: Superior creep resistance maintains structural integrity under sustained loads for decades.
Soil Reinforcement: Grid design interlocks with soil/aggregate, improving load distribution and preventing lateral movement.
Extreme Durability: UV-stabilized HDPE/polyester resists chemicals, moisture, and temperature extremes.
Cost Efficiency: Reduces fill material needs and speeds installation, lowering project costs while extending lifespan.
Product Introduction
Uniaxial geogrids are high-strength geosynthetic materials made from polymer materials (such as polypropylene or polyethylene) through processes like extrusion, punching, and unidirectional stretching. They feature a grid structure with high tensile strength primarily in one direction (the longitudinal axis), while the transverse direction has relatively lower strength. This design makes them ideal for applications requiring reinforcement along a specific axis.
Product Specifications
Properties | Test Method | GM13 Test Value | Testing Frequency | ||||||
Thickness (min. ave.) | 0.75mm | 1mm | 1.25mm | 1.5mm | 2.0mm | 2.5mm | 3.0mm | (minimum) | |
nom. | nom. | nom. | nom. | nom. | nom. | nom. | Per roll | ||
lowest individual of 10 values | D5199 | -10% | -10% | -10% | -10% | -10% | -10% | -10% | |
Formulated Density mg/l (min.) | D 1505/ D 792 | 0.940 g/cc | 0.940 g/cc | 0.940 g/cc | 0.940 g/cc | 0.940 g/cc | 0.940 g/cc | 0.940 g/cc | 90,000kg |
Tensile Properties (1) (min.ave.) | D 6693 Type IV | 9,000kg | |||||||
. yield strength | 11kn/m | 15kn/m | 18kn/m | 22kn/m | 29kn/m | 37kn/m | 44kn/m | ||
. break strength | 20kn/m | 27kn/m | 33kn/m | 40kn/m | 53kn/m | 67kn/m | 80kn/m | ||
. yield elongation | 12% | 12% | 12% | 12% | 12% | 12% | 12% | ||
. break elongation | 700% | 700% | 700% | 700% | 700% | 700% | 700% | ||
Tear Resistance (min. ave.) | D 1004 | 93N | 125N | 156N | 187N | 249N | 311N | 374N | 20,000 kg |
Puncture Resistance (min. ave.) | D 4833 | 240N | 320N | 400N | 480N | 640N | 800N | 960N | 20,000 kg |
Stress Crack Resistance (2) | D5397 | 500 hr. | 500 hr. | 500 hr. | 500 hr. | 500 hr. | 500 hr. | 500 hr. | per GRI-GM10 |
(App.) | |||||||||
Carbon Black Content (range) | D 4218 (3) | 2.0-3.0% | 9,000kg | ||||||
Oxidative Induction Time (OIT) (min. ave.) (5) (a) Standard OIT | D 3895 D 5885 | 100 min. | 100 min. | 100 min. | 100 min. | 100 min. | 100 min. | 100 min. | 90,000kg |
— or —(b) High Pressure OIT | 400 min. | 400 min. | 400 min. | 400 min. | 400 min. | 400 min. | 400 min. | ||
Oven Aging at 85°C (5), (6) | D 5721 D 3895 D 5885 | per each formulation | |||||||
(a) Standard OIT (min. ave.) - % retained after 90 days — or — | 55% | 55% | 55% | 55% | 55% | 55% | 55% | ||
(b) High Pressure OIT (min. ave.) - % retained after 90 days | 80% | 80% | 80% | 80% | 80% | 80% | 80% | ||
(a) Standard OIT (min. ave.) | D 3895 D 5885 | 50% | 50% | 50% | 50% | 50% | 50% | 50% | per each formulation |
— or — | |||||||||
(b) High Pressure OIT (min. ave.) - % retained after 1600 hrs (9) | |||||||||
Product Performance
1). High Tensile Strength: Exceptionally strong in the stretched (longitudinal) direction, with tensile strengths ranging from 30 kN/m to over 200 kN/m, depending on the product specification.
2).High modulus of elasticity, which minimizes deformation under load, ensuring long-term stability. Durability: Resistance to chemical corrosion, UV radiation, and biological degradation, making them suitable for harsh environmental conditions (e.g., soil with high acidity or alkalinity).
3).Good creep resistance, maintaining mechanical properties over extended periods under sustained loads. Friction and Interlock: The grid openings allow soil particles to interlock with the geogrid, enhancing the frictional interaction between the geogrid and the surrounding soil. This improves load transfer and reduces soil displacement.
4).Lightweight and Easy to Install: Lightweight nature facilitates handling and installation, reducing labor and construction time. Flexible enough to conform to irregular ground surfaces while maintaining structural integrity.
Application Scenarios
1) Road and Railway Construction
Subbase and Subgrade Reinforcement: Stabilizes weak soils, reduces differential settlement, and extends the service life of pavements by distributing loads more evenly.
Railway Ballast Stabilization: Prevents ballast displacement and degradation under cyclic loading from trains.
2) Municipal and Civil Engineering
Retaining Walls and Earth Structures: Used as reinforcement in modular block walls, soil-nailed walls, or gabion structures to enhance tensile strength and resist lateral earth pressures.
Slope Protection: Stabilizes slopes to prevent soil erosion and landslides by reinforcing the soil mass and improving shear strength.
3) Hydraulic Engineering
Dams and Embankments: Reinforces embankment foundations to withstand hydraulic pressures and reduce the risk of failure due to excessive settlement or seepage.
Canal and Riverbanks: Provides erosion control and structural support for waterway linings.
4) Waste Management: Landfill Liners: Used in conjunction with geotextiles and geomembranes to reinforce landfill bases and covers, ensuring stability and preventing liner puncture.
5) Mining and Industrial Projects: Tailings Dams and Storage Facilities: Reinforces the foundation and slopes of mining waste storage areas to enhance safety and durability.
Why choose Haoyang？
1. Imported Raw Materials
High-quality raw materials sourced from **Saudi Arabia** ensure superior product performance and consistency from the source.
2. World-Leading 10m Blown Film Production Line
Equipped with advanced five-layer co-extrusion technology, capable of producing both smooth and textured geomembranes with a maximum width of 10 meters.
3. Direct-from-Factory Production
As a manufacturer, we guarantee premium quality while offering the most competitive prices by eliminating middlemen.
4. Fast Delivery
High daily output of 70 tons ensures timely delivery to meet urgent project timelines.
5. One-Stop Solution
Beyond manufacturing and sales, we provide **professional project construction teams** to deliver end-to-end solutions for seamless project execution.
