Characteristics and application of geotextile composite materials

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Characteristics and application of geotextile composite materials

Aug 12, 2021

Work cloth is divided into filament geotextile and short silk geotextile. The full name is broken fiber needle-punched non-woven geotextile and polyester filament anti-stick needle-punched non-woven geotextile. The specifications of geotextile range from 100 grams to 1000 grams per square meter, and the price ranges from 0.6 yuan to 7 yuan per square meter. The slope protection of the steep slope is carried out on the geotextile

Geotextile testing items: Geotextile products are tested according to the national standard GB/T17638-2008. The test indicators are weight and breaking strength, CBR breaking strength, tearing strength, equivalent pore size, vertical permeability coefficient, thickness and other indicators

Filament woven geotextiles are widely used in concrete isolation and drainage. It is mainly used for layer isolation, railway subgrade, highway subgrade, earth-rock dam engineering and river improvement engineering. It mainly plays a role in preventing the mixing, pollution and separation of different materials, such as placing geotextiles between two different materials, or between different particle sizes of the same material, and between the soil surface and the superstructure. Separate the geotextiles from each other.

In addition to good mechanical properties, it also has good longitudinal and transverse drainage properties, good elongation properties and good chemical stability, such as biological resistance, acid and alkali resistance, and aging resistance. At the same time, it also has a wide pore size range, tortuous pore distribution, excellent permeability and filtration performance

The composite geomembrane is pasted with geotextile on one or both sides of the plastic film. Specifications and models include: one cloth and one film, two cloths and one film, two films and one cloth, three cloths and two films (generally one cloth and one film, two cloths and one film), net weight 200-1200 grams, total width; 1-6 meters. High values ​​of physical properties such as stretching, tearing, cracking, etc., composite geomembrane products have high compressive strength, strong stretchability, large deformation elastic molds, strong acid and alkali resistance, corrosion resistance, aging resistance, and impermeability levels Good characteristics and other characteristics. It can meet the requirements of water conservancy engineering (man-made lake), municipal engineering, engineering construction, transportation, subway station, tunnel construction, breeding (yakuchi), method, fish pond aquatic product breeding. In construction projects, there must be construction majors such as seepage prevention, protection, structural reinforcement, and rust prevention. Select fiber materials and add anti-aging agents in the manufacturing process, so it can be used in non-traditional temperature and natural environments. It is common in the anti-seepage solution of river embankments, sewage ditch, and pollution-resistant solution of waste yard.
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