I. Retaining Wall Applications
‌Functional Requirements‌
- ‌Reinforcement‌: Enhances soil shear strength and structural integrity
- ‌Separation‌: Prevents soil particle mixing while maintaining drainage
‌Selection Criteria‌
- ‌Strength Specifications‌
- Tensile strength: ≥50kN/m polypropylene/polyester woven geotextiles
- Elongation: ≤15% for structural stability
- ‌Material Options‌
- Polypropylene filament: High strength and durability
- Polyester filament: Superior chemical resistance for long-term use
- ‌Installation‌
- Use wide rolls (≥5m) to minimize field seams
- Secure connections via sewing or thermal bonding
II. Flood Control Engineering
‌Functional Requirements‌
- ‌Filtration‌: Soil particle retention during water flow
- ‌Drainage‌: Efficient water permeability
- ‌Erosion Protection‌: Shields against hydraulic scouring
‌Selection Criteria‌
- ‌Performance Needs‌
- UV-resistant formulations for exposed applications
- Tensile strength: ≥45kN/m to withstand hydraulic forces
- ‌Material Options‌
- UV-stabilized PP slit-film woven geotextiles
- Filament woven geotextiles for filtration-drainage synergy
- ‌Installation‌
- Limit UV exposure during installation
- Ensure seam integrity via proven connection methods
III. Engineering Specifications
‌Retaining Walls‌
- Recommended: PP/PET filament woven geotextiles
- Critical parameters: High strength (≥50kN/m), low elongation (<15%)
- Installation: Full soil contact with minimal seams
‌Flood Control‌
- Recommended: UV-stabilized PP woven geotextiles
- Critical parameters: Filtration opening size (O90≤0.3mm), permeability >0.1cm/s
- Installation: Immediate covering after placement
