Featuring a three-dimensional matrix of intersecting HDPE strands, 3D geonets offer omnidirectional drainage with transmissivity >50 L/min/m². The structure accommodates vertical and horizontal flow, making it ideal for complex drainage geometries. Field trials demonstrate superior performance in freeze-thaw cycles, maintaining struct.
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Comprising parallel HDPE ribs laminated with nonwoven geotextiles, 2D geonets provide directional water transmissivity exceeding 20 L/min/m² at 50 kPa. The bonded geotextile layers prevent soil intrusion while maintaining hydraulic conductivity. Typical applications include lateral drainage in leachate collection layers and gas vent system protection. Installation data confirms 40% reduction in construction time versus traditional aggregate layers.
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Optimized for leachate collection systems, this fabric features engineered pore structures to balance filtration efficiency and biological clog resistance. The smooth surface minimizes biofilm adhesion, while the high-density polypropylene matrix resists enzymatic degradation. Long-term field tests show sustained permeability exceeding 30 L/m²/s over 15-year periods. Specification guidelines mandate POA ≥10% to ensure adequate flow capacity while maintaining particle retention.
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