Steip Filter Drain
Strip drainage strip（Geostrip drainage belt） is a special structural geosynthetic material, which is commonly used in groundwater drainage and soil reinforcement projects. It has drainage function and filtering performance.
Geostrip drainage strips have drainage functions and filtering properties and are suitable for groundwater drainage, soil reinforcement, soil protection and other projects. It can improve the stability and load-bearing capacity of the soil, lower the groundwater level, and protect underground facilities and garden landscapes.
Material：HDPE
Features:
1. Strip structure: Geostrip drainage strips are strip-shaped, usually made of materials such as high-density polyethylene (HDPE) or polypropylene (PP), and have excellent chemical resistance and mechanical strength.
2. Drainage function: There are water holes inside the geostrip drainage belt, which can effectively drain water and have high drainage capacity, reducing the impact of water pressure on the soil and improving the stability of the soil.
3. Filtration: The geostrip drainage belt has a filter layer, which is used to block the infiltration of fine particles, keep the water holes inside the geocell unblocked, prevent blockage, and increase the drainage effect.
Application：
1. Basic engineering: Geotechnical strip drainage strips can be used in basic engineering such as building basements, underground pipes and underground facilities to drain water and lower groundwater levels, and reduce the impact of soil liquefaction and water rising on the foundation.
2. Subgrade engineering: Geotechnical strip drainage strips can be used in roadbed projects such as roads, highways and railways to reinforce soil, reduce moisture content, and improve the stability and load-bearing capacity of the roadbed.
3. Garden landscape: Geotechnical strip drainage strips can be used in garden landscape projects to drain water, keep the soil moist and uniform, and provide a good environment for plant growth.
Specifications:
| project | ||||||
| Material | core tape | High density polyethylene, polypropylene, etc. | ||||
| filter membrane | The material is polyester, polypropylene, vinylon and other geotextiles | |||||
| composite | Tensile strength (dry state).KN/10cm (strength with 10% elongation) | >1.0 | >1.3 | >1.5 | >1.8 | >2.0 |
| Elongation% | 10 | |||||
| Longitudinal water flow qw.cm³/s (lateral pressure is 350KPa) | ≥15 | ≥25 | ≥40 | ≥55 | ≥60 | |
| Extension strength of filter membrane kN/m | Dry tensile strength | ≥1.5 | ≥2.5 | ≥3.0 | ≥3.5 | ≥4.0 |
| Wet tensile strength | ≥1.0 | ≥2.0 | ≥2.5 | ≥3.0 | ≥3.5 | |
| Core plate compressive yield strength kPa | >250 | >350 | ||||
| Membrane permeation and reverse filtration characteristics | Permeability coefficient.cm/s | ≥5×10^(-3) | ||||
| Equivalent aperture O95.mm | <0.075 | |||||
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