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Polyester Staple Fiber Geotextiles
The amplitude becomes the reference index, as the production of internal control, the user has the requirement of the actual design value of the technology assessment.
Classification:
Geotextile Series
- Description
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- Commodity name: Polyester Staple Fiber Geotextiles
The amplitude becomes the reference index, as the production of internal control, the user has the requirement of the actual design value of the technology assessment.
Staple fiber geotextile is a new type of construction material used in civil engineering, by polyester or polypropylene fibers through different equipment and process of laying out the mesh, and then through the needle punching and other processes so that different fibers intertwined with each other, intertwined with each other to make the fabric specification, so that the fabric is soft, plump, thick, hard to achieve different thicknesses to meet the requirements of the use.
Product Performance
1, does not contain chemical additives, is an environmentally friendly building materials
2, has good mechanical properties, good water permeability, and can resist corrosion, anti-aging
3, has a strong anti-burial, corrosion-resistant properties of the structure of the fluffy, with good drainage properties
4, has a good coefficient of friction and tensile strength, with geotechnical reinforcing properties
5, with isolation, anti-filtration, drainage, protection, stabilization, strengthening and other functions
6, can adapt to the uneven grass-roots level, can resist the construction of external damage, creep is small.
7, good overall continuity, light weight, convenient construction
8, for the permeable material, so it has a good anti-filtration isolation function, strong puncture resistance, so it has a good protection performance.
◆ Use geotextile to enhance the tensile strength and deformation resistance of the soil body, enhance the stability of the building structure to improve the quality of the soil body.
◆ Effectively spreading, transferring or decomposing the concentrated stress, preventing the soil body from being damaged by external force; ◆ Preventing the upper and lower layers of sand and gravel from being damaged by external force.
◆ Prevent mixing between upper and lower layers of gravel, soil and concrete.
◆ The mesh is not easy to be blocked because the mesh structure formed by indeterminate fiber organization has strain and movement; ◆ High permeability.
◆ High water permeability Under the pressure of soil and water, it can still maintain good water permeability.
◆ Corrosion-resistant: Polypropylene or polyester chemical fiber as raw material, acid and alkali resistant, non-corrosive, non-insect moth, anti-oxidation.
◆ Advantages Light weight, simple construction, easy to use, shorten the construction period, improve economic efficiency, and extend the project cycle.
Areas of application
1, for retaining wall backfill in the reinforcement, or for anchoring retaining wall panels. Constructing wrapped retaining wall or bridge abutment.
2、 Reinforcing the flexible road surface, repairing the cracks on the road and preventing the reflection cracks on the road surface.
3、 Increase the stability of gravel slopes and reinforced soil, prevent soil erosion and frost damage of soil body at low temperature
4、 The isolation layer between road ballast and roadbed, or the isolation layer between roadbed and soft base.
5、 The isolation layer between artificial fill, pile of stone or material field and foundation, and the isolation between different frozen soil layers. Anti-filtration and reinforcement.
6、 Filter layer on the initial upstream face of ash storage dam or tailing dam, filter layer of drainage system in the backfill of retaining wall.
7、 Filter layer around the drainage culvert pipe or gravel drainage culvert.
8. Filter layer of water wells, decompression wells or inclined pressure pipes in water conservancy projects.
9, highways, airports, railroads, and artificial piles of stone and the foundation of the geotextile between the isolation layer
10, vertical or horizontal drainage inside the earth dam, buried in the soil body to dissipate the void water pressure.
11, earth dam or earth embankment in the impermeable geomembrane behind or concrete retaining surface of the lower part of the drainage.
12、Remove seepage water around the tunnel, reduce the external water pressure on the lining and seepage water around the buildings.
13、 Drainage of artificial landfill foundation of sports ground.
14, Highway (including temporary road) railroad, embankment, earth and stone dams, airports, stadiums and other projects to strengthen the weak foundation.
Product Specification
Grammage: 100g-800g/m2 , width: 1m-8m, roll length: 50m-100m, or according to customers' requirements.
The main performance and technical index of the product
Technical requirements for basic performance of polyester staple fiber geotextile (GB/T17638-1998) Serial No. Item 100 150 200 250 300 350 400 450 500 600 800 note 1 Deviation in mass per unit area, % -8 -8 -8 -8 -7 -7 =7 -7 -6 -6 -6 2 Thickness，mm≥ 0.9 1.2 1.7 2.1 2.4 2.7 3.0 3.3 3.6 4.1 5.0 3 Width deviation，% -0.5 4 Breaking Strength，KN/m,≥ 2.5 4.5 6.5 8.0 9.5 11.0 12.5 14.0 16.0 19.0 25.0 Vertically And Horizontally 5 Maximum Elongation, A，≥ 25-100 Vertically And Horizontally 6 CBR Top Break Power，KN≥ 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.2 4.0 7 Equivalent Hole Sections0.0 mm 0.07-02 8 Heavy direct seepage coefficient，cm/s Kx(10-1~-10-3),k=1.0-9.9 9 Tearing Force，KN,≥ 0.08 0.12 0.16 0.20 0.24 0.28 0.33 0.38 0.42 0.46 0.60 Vertically And Horizontally 1)Specification according to the quality of unit area, the actual specifications between the adjacent specifications in the table, according to the interpolation method to calculate the corresponding assessment indicators: beyond the scope of the table when the assessment indicators from the supply and leave the two sides to consult the basis of determination.
2) Unit area defense standard according to the design or agreement.
3) The amplitude becomes the reference index, as the production of internal control, the user has the requirement of the actual design value of the technology assessment.
Case Presentation
Key words:
HAO YANG
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