White Nonwoven Geotextile
-Good permeability:the space among fibers is moderate and distributed evenly,so the needle punched nonwoven geotextile has good permeability and the water flows among soil.Meantime it will prohibit the soil particles and other materilas from passing to realize filtering function.The nonwoven geotextile is used in drainage and filtering application,such as the dam drainage in water conservancy project.
-Excellent mechanical properties: The needling system makes the fibers entangled with every other, and the shape is tight, which offers the needling non-woven geotextile excessive tensile strength, tear energy and puncture resistance, can stand up to massive exterior forces and deformation, appropriate for engineering with greater necessities of soil reinforcement and enhancement, such as dual carriageway and railway subgrade reinforcement.
-Strong corrosion resistance: made of polypropylene, polyester and different artificial fibers with excessive chemical stability, can hold secure overall performance in acid, alkali, salt and different corrosive surroundings and unique temperature conditions, now not effortless to age and rot, lengthy provider life, can be used in landfill, chemical air pollution web site and different harsh surroundings engineering construction.
-Easy to construct: light-weight and handy to go and lay, it can extensively limit building concern and labor intensity, enhancing development efficiency. Moreover, it can be reduce and spliced in accordance to engineering needs, adapting to more than a few shapes and dimension requirements, imparting vast blessings in complicated terrain and structural construction.
-High cost-effectiveness: the manufacturing method is incredibly simple, uncooked substances are extensively accessible and inexpensive, and the complete fee is low. At the equal time, due to its fantastic performance, it can successfully enhance the exceptional of the project, minimize the upkeep and reinforcement charges in the later stage of the project, and has a excessive fee performance.
Definition:
Needle-punched non-woven geotextile is a geosynthetic fabric made by means of bodily technique of fiber. It is shaped via directional or random association of material quick fibers or filaments to structure a fibrous community structure, and then bolstered by using needle-punched process.
-Production process: After loosening, combing and laying the fiber substances such as polypropylene and polyester, the fiber internet is over and over pierced with the hook of the needle to make the fibers entangled and interwoven. Finally, it is made via warm pressing, slicing edges and rolling.
Characteristic:
-Superior mechanical properties: made of plastic fiber, can keep excessive power and elongation in both dry and moist conditions, excessive tensile strength, can decorate the tensile electricity and deformation resistance of soil.
-Good chemical stability: can be lengthy corrosion resistant in exceptional pH soil and water, excellent anti-microbial properties, no injury to microorganisms and insect damage.
-Excellent hydraulic performance: there are gaps between the fibers, with proper water permeability and air permeability, permitting water to skip through, successfully intercepting soil particles, first-rate sand and so on.
-Convenient construction: the fabric is mild and soft, convenient to transport and lay, and the specs are complete. The width can attain 9 meters, and the mass per unit location is 100-1000g/m.
Function:
-Isolation effect: to isolate constructing substances with distinct bodily properties, so that two or extra substances do no longer lose and mix, and preserve the normal shape and feature of the material.
-Filtration function: when water flows from excellent soil layer to coarse soil layer, it makes use of its precise permeability and permeability to make the water glide through, whilst efficaciously intercepting soil particles, quality sand, etc., to preserve the steadiness of soil and water engineering.
-Drainage function: it can structure drainage channels in the soil to discharge extra liquid and gasoline from the soil structure.
-Reinforcement effect: beautify the tensile power and deformation resistance of soil, decorate the steadiness of constructing structure, enhance the pleasant of soil.
-Protective function: when the water flows to wash the soil, it can diffuse, switch or decompose the centred stress, stop the soil from being broken by way of exterior forces and defend the soil.
-Piercing resistance: mixed with geotextile membrane to come to be a composite water-resistant and seepage prevention material, which performs a position in stopping piercing.
Application area:
-Traffic engineering: used for the reinforcement of toll road and railway subgrade, which can enhance the balance of the subgrade and limit settlement; it can additionally be used as the isolation layer between the avenue ballast and the subgrade, or between the subgrade and the gentle foundation.
-Water conservancy projects: In the development of reservoirs, embankments, canals and different water conservancy facilities, it can be used for seepage prevention, reinforcement, drainage, etc., such as as vertical or horizontal drainage channels internal the earth dam, buried in the soil to dissipate the pore water pressure.
-Environmental safety engineering: in the landfill, it can be used as section of the impermeable lining to forestall the leachate from polluting groundwater and soil.
-Mining engineering: used for the preliminary upstream dam floor filter layer of the tailings dam, and the filter layer of the drainage machine in the backfill soil of the keeping wall, etc., to play a function of filtration and drainage.
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