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Geotextile

  • Commodity name: Geotextile
Geotextile is a new type of construction material used in civil engineering stipulated by the state. The raw materials are synthetic fibers of high molecular polymers such as polypropylene, polyester, acrylic and nylon. It does not contain chemical additives and is not subjected to heat treatment. It is an environmentally friendly building material. It has good mechanical properties, excellent water permeability, filtration and deformation adaptability. At the same time, it can resist corrosion and aging, and has the functions of isolation, filtration, drainage, protection, stability and strengthening.

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  • Product Description
  • 1. Introduction:

    Geotextile is a new type of construction material used in civil engineering stipulated by the state. The raw materials are synthetic fibers of high molecular polymers such as polypropylene, polyester, acrylic and nylon. It does not contain chemical additives and is not subjected to heat treatment. It is an environmentally friendly building material. It has good mechanical properties, excellent water permeability, filtration and deformation adaptability. At the same time, it can resist corrosion and aging, and has the functions of isolation, filtration, drainage, protection, stability and strengthening.

    2. Technical parameters are as follows: GB/T 17639-2008 national standard

    Project Indicators
    Nominal breaking strength/(kN/m) corresponding to gram weight g/m2 100 150 200 300 400 500 600 800 1000
    1 Longitudinal and transverse rupture strength/(kN/m)> 4.5 7.5 10.0 15.0 20.0 25.0 30.0 40.0 50.0
    2 Elongation corresponding to standard strength in longitudinal and transverse direction/% 40 to 80
    3 CBR bursting strength/kN N 0.8 1.6 1.9 2.9 3.9 5. 3 6.4 7.9 8.5
    4 Vertical and horizontal tear strength/kN> 0. 14 0.21 0. 28 0.42 0.56 0. 70 0. 82 1.10 1.25
    5 Equivalent aperture O90CO95)/mm 0. 05 to 0.20
    6 Vertical permeability coefficient/(cm/s) KX(10-1~ 10-3) where: K = 1.O~ 9.9
    7 Thickness/mm> 0.8 1.2 1.6 2.2 2.8 3.4 4.2 5. 5 6.8
    8 Width deviation/% -0.5
    9 Mass deviation per unit area/% -5

    Note 1: The specifications are based on the breaking strength, and the actual specifications are between the adjacent specifications in the table, and the corresponding assessment indicators are calculated according to the linear interpolation method.

    Note 2: When the actual breaking strength is lower than the standard strength, the elongation corresponding to the standard strength shall not be judged for conformity.

    Note 3: The standard values of Items 8 to 9 shall be in accordance with the design or agreement.

     

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