Engineered for high-tensile applications, uniaxial geogrids are the backbone of modern earth retention systems. This polymer-based geosynthetic delivers unmatched strength-to-weight ratios, specifically designed to withstand unidirectional stresses in critical infrastructure projects.
Product Highlights
1. Material Science
- Base Polymer: High-density polyethylene (HDPE) or polyester (PET)
- UV Stabilization: Carbon black/additive packages for 10,000+ hours UV resistance (ASTM D4355)
- Molecular Alignment: Oriented molecular structure achieves 400 kN/m tensile strength
2. Mechanical Performance
PropertyTypical Value RangeTest StandardTensile Strength30-400 kN/mASTM D6637Elongation at Break≤10%ISO 10319Junction Efficiency≥92%EN 15381Creep Reduction<2% @ 50% loadASTM D5262

3. Design Advantages
- Wall Optimization: Reduces required backfill thickness by 40% vs. conventional methods
- Seismic Resilience: Dynamic testing shows <5% strength loss at 0.6g acceleration (FHWA-NHI-00-043)
- Installation Flexibility: Compatible with all major MSE wall facing systems (concrete, segmental, welded wire)
4. Sustainability Profile
- Service Life: 120-year design life (ISO 13437 accelerated aging)
- Carbon Savings: 8.2 kg CO₂/m² reduction vs. concrete alternatives (BRE Environmental Assessment)
- Recyclability: HDPE versions achieve 95% material recovery
5. Project Case Study
Trans-Andean Highway Project (2024)
- Challenge: 45° slope stabilization at 3,800m elevation
- Solution: 180 kN/m uniaxial geogrid with vegetated facing
- Result: Zero maintenance after 5 freeze-thaw cycles
Technical Guidance
Selection Criteria:
- Calculate required tensile strength using FHWA’s Mechanically Stabilized Earth Walls design manual
- Verify soil-geogrid interaction coefficients (pullout resistance ≥1.5 safety factor)
- Specify roll widths to minimize field seams (standard: 2.5-5.0m widths)
Installation Protocol:
- Minimum overlap: 300mm (subject to site-specific validation)
- Connection strength: ≥90% of material strength
- Avoid direct exposure to hydrocarbons or pH <4 environments
Quality Assurance:
- Third-party certification from NAUE, TENAX, or TÜV SÜD
- Batch-specific test reports compliant with CE/UKCA markings