High Water Permeability Non Woven PET Geotextile Membrane For Dyke , Tunnel , Road
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High water permeability Non Woven PET Geotextile membrane for dyke , tunnel , road
Specifications:
Test | Unit | Standard/ Guaranted |
Mass per unit area | g/㎡ | 160/152.0 |
thickness | mm | 0.80/0.68~0.92 |
width | m | 3.8 |
Max. Tensile strength (MD) | KN/m | 12/10.2 |
Max. Tensile strength (CD) | KN/m | 11/9.2 |
Elongation at Max. tensile strength (MD) | % | 30.0/25 |
Elongation at Max tensile strength (CD) | % | /35.0/27 |
CBR bursting strength | KN | 1.8/1.5 |
shrinkage(MD) 200℃ | % | ≤1.7 |
shrinkage(CD)200℃ | % | ≤0.1 |
Elongation 3% Tensile strength(MD) | KN/m | 5/4.5 |
Elongation 15%Tensile strength(MD) | KN/m | 9/8.1 |
Elongation 3% Tensile strength(CD) | KN/m | 3.6/3.24 |
Elongation 15%Tensile strength(MD) | KN/m | 6.4/5.76 |
Trapezoid tearing strength | KN | 0.2 |
bitumen oil adsorption | L/㎡ | 0.8-1.2 |
Melting point | ℃ | 256 |
Description:
1 Geotextile helps to enhance the soil mass' tensile strength and non-deformability and structural stability so as to improve soil mass quality.
2. It can effectively make the concentrated stress diffuse, transfer or decompound, and prevent the soil mass against the destruction of outside force.
3. Its mesh is hard to jam by virtue of the compliancy and motility of the reticulation formed by indefinite form
fibrous tissue.
4. High water permeability-it can keep good water permeability even in the pressure of soil and water.
5. Corrosion resistant-it is made from polypropylene fiber or terylene or other chemical fiber, featuring resistance to acid and alkali
and oxidation, non-corroding, no worm-eaten.
6. Easy construction-low weight, easy operation, simple construction.
Applications:
1). Reinforcement: Used in the constructions of highway, railway, airport, dam, prevent slope dike, retaining wall, etc. to improve stability.
2). Protection: To prevent the bank from eroding by wind, wave ,tidal and rain. Used for the projects such as revetment, slope protection and bottom protection, anti-soil erosion,etc.
The main reason of above disease is as follows:
1. expand with heat and contract with cold because the temperature
2. ageing of bitumen and elasticity decline of surfacing
3. substrate has crack and horizontal fall head
4. material which used and construction method ,etc
According to the cracking of bitumen concrete road ,when we add the surface on the before road or semi-rigid surface , we can use the high performance polyester spunbond between new surfacing and old surfacing , then we can prevent above disease .