Uniaxial PP Geogrid 20-200 kN/m (2,900-29,000 lb/ft) for MSE Walls Reinforced Soil Slopes Tunnel Portals Dam Embankments Coastal Revetments
Significant Cost Savings: Reduces overall project investment by 30%–50% in slope maintenance and retaining wall construction by decreasing lateral earth pressure and minimizing the need for imported fill materials.
Accelerated Construction: Shortens project schedules by over 50% compared to traditional concrete methods, as the simple installation process requires less heavy machinery and labor.
Minimal Creep Deformation: Engineered with high molecular orientation to ensure extremely low long-term creep under sustained loads, guaranteeing decades of reliable performance for critical infrastructure.
Enhanced Load Distribution: Utilizes an advanced interlocking mechanism with soil to rapidly disperse localized stresses across a wider area, effectively preventing embankment deformation and cracking.
Extended Service Life: Manufactured with premium Polypropylene (PP) and UV-stabilized additives to withstand harsh environmental conditions, extending infrastructure lifespan to 15–30 years or more.
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- Product Description
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- Commodity name: Uniaxial PP Geogrid 20-200 kN/m (2,900-29,000 lb/ft) for MSE Walls Reinforced Soil Slopes Tunnel Portals Dam Embankments Coastal Revetments
Superior Tensile Strength: Delivers exceptional uniaxial tensile strength ranging from 20 to 200 kN/m (2,900 to 29,000 lb/ft) to provide robust structural support for retaining walls and steep slopes.<br/> Significant Cost Savings: Reduces overall project investment by 30%–50% in slope maintenance and retaining wall construction by decreasing lateral earth pressure and minimizing the need for imported fill materials.<br/> Accelerated Construction: Shortens project schedules by over 50% compared to traditional concrete methods, as the simple installation process requires less heavy machinery and labor.<br/> Minimal Creep Deformation: Engineered with high molecular orientation to ensure extremely low long-term creep under sustained loads, guaranteeing decades of reliable performance for critical infrastructure.<br/> Enhanced Load Distribution: Utilizes an advanced interlocking mechanism with soil to rapidly disperse localized stresses across a wider area, effectively preventing embankment deformation and cracking.<br/> Extended Service Life: Manufactured with premium Polypropylene (PP) and UV-stabilized additives to withstand harsh environmental conditions, extending infrastructure lifespan to 15–30 years or more.
Key Technical Advantages
⚙️ Optimized Molecular Alignment: Through a controlled uniaxial stretching process, the polymer molecules are reoriented into a highly ordered linear structure, yielding uniform ribs with exceptional load-bearing capacity in the primary stress axis.
🔗 Advanced Mechanical Interlock: The specifically engineered aperture geometry facilitates superior frictional engagement with surrounding soils, creating a rigid stress-transfer mechanism that stabilizes the entire reinforced mass.
🛡️ Superior Chemical & Biological Inertness: The high-grade Polypropylene (PP) matrix provides total resistance to environmental stress cracking, chemical corrosion, and microbial attacks, making it highly suitable for challenging soil chemistries.
📉 Low Strain Modulus: Exhibiting a high modulus of elasticity, the geogrid maintains structural rigidity at low strain thresholds (typically 2% to 5% elongation), actively bearing loads before significant subgrade deformation can occur.
🌍 Enhanced Weathering Resistance: A specialized additive package, including carbon black, is integrated during manufacturing to provide superior protection against UV degradation and long-term oxidative aging, preserving structural integrity over decades.
Basic Info.
Technical SpecificationsItem Unit TG-DG 35 TG-DG 50 TG-DG 80 TG-DG 110 TG-DG 120 TG-DG 150 TG-DG 200 TG-DG 260 TG-DG 300 Ultimate Tensile Strength ≥ kN/m 35 50 80 110 120 150 200 260 300 Ultimate Tensile Strength ≥ lbf/ft 2,398 3,426 5,482 7,537 8,223 10,278 13,704 17,816 20,557 Maximum Elongation ≤ % 10 10 10 10 10 10 10 10 10 Tensile Strength at 2% Elongation ≥ kN/m 10 12 26 32 36 42 56 94 108 Tensile Strength at 2% Elongation ≥ lbf/ft 685 822 1,782 2,193 2,467 2,878 3,837 6,441 7,400 Tensile Strength at 5% Elongation ≥ kN/m 22 28 48 64 72 84 112 185 213 Tensile Strength at 5% Elongation ≥ lbf/ft 1,508 1,919 3,289 4,385 4,934 5,756 7,674 12,676 14,595
Application Solutions🧱 MSE Retaining Walls
Challenge: Traditional concrete retaining walls are expensive, rigid, and highly susceptible to differential settlement and structural cracking under heavy lateral earth pressures.
Solution: Uniaxial PP geogrids act as tensile reinforcement layers within the backfill, transforming the soil mass into a coherent, flexible gravity structure. This reduces lateral earth pressure on the wall face, allows for steeper slopes (up to 90 degrees), and significantly cuts material and labor costs.
⛰️ Reinforced Soil Slopes
Challenge: Constructing steep slopes in weak soils often leads to severe surface erosion, shallow sloughing, and catastrophic slope failures during heavy rainfall or seismic events.
Solution: Reinforcing the soil with high-strength geogrids (up to 200 kN/m / 29,000 lb/ft) increases the shear strength of the soil mass. This allows for slope angles up to 70 degrees, prevents deep-seated failures, and facilitates rapid vegetative face treatments for permanent erosion control.
🚇 Tunnel Portals
Challenge: The transition zone between underground tunnels and open-air approaches is highly vulnerable to landslides, rockfalls, and structural instability due to complex stress distributions.
Solution: Integrating uniaxial geogrids into the approach embankment creates a stiffened, unified soil block that seamlessly transitions the load. This effectively mitigates differential settlement, protects the tunnel structure from lateral shifting, and drastically reduces long-term maintenance.
🌊 Dam Embankments
Challenge: Building high dams over soft, compressible subgrades frequently results in excessive settlement, bearing capacity failure, and costly, time-consuming pre-loading periods.
Solution: The geogrid provides basal reinforcement that distributes vertical loads over a wider area, improving global stability and accelerating consolidation. This enables the construction of higher embankments safely while reducing the required thickness of imported structural fill.
🏖️ Coastal Revetments
Challenge: Coastal structures face relentless wave action, tidal forces, and saltwater corrosion, which can rapidly erode foundations and compromise structural integrity.
Solution: High-tensile PP geogrids are installed in horizontal layers to mechanically pin the revetment armor to the underlying soil mass. The lightweight nature of the geogrid prevents overloading the failing slope, while its exceptional chemical resistance ensures long-term durability in harsh marine environments.
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