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Auroguard Geotextile Dewatering Tubes (Geotubes) are large-diameter cylindrical fabric forms manufactured from high-tenacity woven polypropylene or polyester fabric. Slurry — dredged sediment, industrial sludge, wastewater solids — is pumped into the tube through filling ports. Free water escapes through the permeable fabric while solids are retained and consolidated inside, achieving significant volume reduction. Applications include dredged material management in ports and waterways, municipal and industrial sludge dewatering, shoreline protection groynes, land reclamation embankments, and bridge pier scour protection in coastal areas. Auroguard supplies geotubes with custom-specified fabric, filling ports, and circumference to project requirements.
| Parameter | Specification |
|---|---|
| Fabric Material | High-tenacity woven PP or PET |
| Tensile Strength (warp/weft) | 50–200 kN/m (ASTM D4595) |
| Apparent Opening Size (O90) | 0.075–0.425mm (ASTM D4751) |
| Permittivity | 0.05–0.5 s⁻¹ (ASTM D4491) |
| Tube Circumference | 3m / 6m / 10m / 16m |
| Tube Length | 10m – 50m (custom) |
| Filling Ports | 200–400mm diameter, spaced per project design |
| UV Resistance | ≥ 70% strength after 500h (ASTM D4355) |