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Specifications
Filament Spunbond Nonwoven Geotextile Fabric for Retaining Wall1.Excellent drainage performance
2.Seperation&Filtering
Filament Spunbond Nonwoven Geotextile Fabric for Retaining Wall
Product Description
non woven needle punch geotextile is made by Dacron filament or polypropylene filament,
featured with good physical property,high tensile, resisiting tearing,bursting,stabling,etc.It
boasts excellent drainage,separation,filtration and protection performance.
Product Specifications and Technical Parameters
According to GB/T 17639-2008
|
item
|
Value
|
||||||||||
Nominal breaking strength /(KM/m) |
4.5 |
7.5 |
10 |
15 |
20 |
25 |
30 |
40 |
50 |
||
1 |
Breaking strength(MD/CD)(KN/m) |
4.5 |
7.5 |
10 |
15 |
20 |
25 |
30 |
40 |
50 |
|
2 |
Elongation at break (MD/CD)/% |
40-80 |
|||||||||
3 |
CBR mullen burst strength KN≥ |
0.8 |
1.6 |
1.9 |
2.9 |
3.9 |
5.3 |
6.4 |
7.9 |
8.5 |
|
4 |
Tear strength/KN |
0.14 |
0.21 |
0.28 |
0.42 |
0.56 |
0.70 |
0.82 |
1.10 |
1.25 |
|
5 |
Sieve size O90 mm |
0.05-0.20 |
|||||||||
6 |
Vertical permeability coefficient cm/s |
K×(10-1-10-3)K=1.0-9.9 |
|||||||||
7 |
Thickess/mm ≥ |
0. 8 |
1.2 |
1.6 |
2.2 |
2.8 |
3.4 |
4.2 |
5.5 |
6.8 |
|
8 |
Width variation% |
-0.5 |
|||||||||
9 |
Weight variation |
-5 |
|||||||||
Application Range
A.Filtration:
The filtration layer of the dykes, river canal, seacoast, concrete slope, retaining walls. At the same time of
preventing the clay granule from passing, it allows the water and the gas pass through freely.
B. Separation:
The isolation of the railway dregs and the roadbed, roadbed and the soft base, surface of the
airdrome and parking lot and the groundsill, different dam materials. It isolates the soil and the gravel
of two kinds different granule pathway from the groundsill or other buildings.
C.Adding muscle:
The highway, railway, soilstone dam, breakwater, airport, backfill soil of retaining wall, slope protection, etc
in which distributes the earth stress, prevents the sidedisplacement of the earth body and improves the earth
body stability.
D. Protection:
It prevents the bank from being washed out, protects the bank and the bottom, prevents the water and soil from
being washed away.
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