Geosynthetic Properties: BIAXIAL_GEOGRID
Geosynthetic material properties — woven and nonwoven geotextiles, biaxial and uniaxial geogrids, HDPE and LLDPE geomembranes, and geocomposite drains — with tensile strength, permittivity, AOS, and interface friction data
| geosynthetic type | product class | interface friction angle deg max (deg) | interface friction angle deg min (deg) | notes | polymer | thickness mm max (mm) | thickness mm min (mm) | typical applications | ultimate tensile strength lb ft max (lb/ft) | ultimate tensile strength lb ft min (lb/ft) | ultimate tensile strength lb ft typical (lb/ft) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| BIAXIAL_GEOGRID | Heavy | 40 | 30 | Tult 20-30 kN/m (1370-2055 lb/ft); junction efficiency critical for load transfer; aperture 25-65mm | High-tenacity PP or welded PET | 10 | 5 | Reinforced aggregate base for heavy traffic; rail grade improvement | 25,000 | 12,000 | 18,000 |
| BIAXIAL_GEOGRID | Light | 35 | 28 | Biaxial: equal MD/XMD strength; ASTM D6637 tensile; typical Tult=3-5 kN/m (200-340 lb/ft); junction efficiency>90% ASTM D7737 | PP or HDPE extruded or welded | 5 | 3 | Subgrade improvement; unpaved road base reinforcement; aggregate confinement | 5,000 | 2,000 | 3,500 |
| BIAXIAL_GEOGRID | Medium | 38 | 30 | Tult 8-12 kN/m (550-820 lb/ft) each direction; junction strength ASTM D7737; aperture 25-65mm typical | PP extruded biaxial | 6.5 | 3.5 | Base course stabilization; pavement subgrade; paved road rehabilitation | 12,000 | 5,000 | 8,500 |
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