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The role of polyester non-woven fabrics

by:XINYU Non-woven     2022-01-29

Polyester non-woven fabric is our common type of non-woven fabric, with high strength, good high temperature resistance (can be used for a long time in 150 ℃ environment), aging resistance, UV resistance, high elongation, stability and breathability Good performance, corrosion resistance, sound insulation, moth-proof, non-toxic and other characteristics. Next, let's take a look at what polyester non-woven fabrics can be used in and what their corresponding functional characteristics are.

Drainage function: It can be used to remove water seepage around the tunnel and reduce the external water pressure on the lining. Drainage behind the anti-seepage geomembrane in earth dams or earth embankments or under the concrete cover, drainage behind retaining walls, drainage around various buildings. Excrete along the plane of the material. Mainly used for vertical or horizontal drainage inside earth dams. Polyester filament non-woven geotextiles can form drainage channels in the soil to collect water in the soil.

Filtering effect: the filter layer of water wells, pressure relief wells or baroclinic pipes in water conservancy projects, as well as the isolation layer of geotextiles between roads, airports, railway ballasts and artificial rockfills and the foundation. The filter layer of the drainage system in the backfill of the retaining wall, the filter layer around the drainage underdrain or the surrounding of the gravel drainage underdrain. The filter layer on the dam surface of the ash storage dam or the ore storage dam, the filter layer on the lower part of the berm at the downstream of the sluice, the sea temperature or the slope protection. Mainly used in the production of filter layers for clay core walls or clay inclined walls of earth-rock dams, filter layers for various drainage bodies in earth-rock dams or embankments

Non-woven fabrics allow moisture to pass through and can effectively prevent Soil particles pass through, thereby preventing the loss of soil particles and causing soil damage.

Protection: Prevents ground water from infiltrating into the ground and water migration in the soil, resulting in dry shrinkage or thermal expansion and alkalizing the cultivated land. It can temporarily protect the shore or grassland, prevent soil erosion, and promote plant growth. It can prevent water surface evaporation or dust in the air from contaminating the water surface and road reflection cracks. Prevent the spread of harmful substances such as garbage, waste, waste liquid, etc. to pollute the groundwater or pollute the environment. Mainly used for the production of geotextiles placed on rivers, rivers, lakes and coastal slopes, which can prevent erosion in water flow. Polyester filament geosynthetics have protective and anti-scour effects on soil or water surface.

Isolation: Earth-rock dams are built on rock foundations or pebble foundations with developed fissures, which can be used as isolation between the dam body and the foundation. In a mixed earth-rock dam, it can be used to isolate different dam building materials. It is mainly used for the isolation between the railway ballast and the roadbed, the isolation between the roadbed and the weak foundation, and the isolation layer between the surface foundation and the foundation of roads, railways, airports, parking lots, etc. Play their individual characteristics and overall roles as required. Geotextiles can separate different soil structures to form a stable interface to separate the layers of structures.

Reinforcement: It can strengthen the slope stability of soil piles or excavation steep slopes, and is used for reinforcement in the backfill of retaining walls. It is used for isolation and filtering while strengthening weak foundations. Mainly used in engineering construction, such as highways (including temporary roads), railways, embankments, earth-rock dams, airports, sports fields and other projects. And it can transfer or distribute the local stress acting on the soil to a larger area, and increase the frictional resistance between the soil and the geotextile. It can stabilize and limit the displacement of civil engineering during long-term use.


Wenzhou Xinyu Non-woven Fabric Co., LTD. is considered as one of the leading supplier of CUSTOMIZING products in China.
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