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Geotextile – Specification & Technical Data

A worker is standing on the coastal and the bank is installed geotextile and gabions.

Non-woven geotextile fabric is made from 100% needle punched polypropylene for high filtration and penetration applications. It has durable life in gabion works in harsh environments, where require extra strength, high UV resistance and high rot prevention.

Popular Specification and Technical Data of Geotextile in Gabion Construction
Item Unit 100 g/m2 150 g/m2 200 g/m2 250 g/m2 300 g/m2 350 g/m2 400 g/m2 450 g/m2 500 g/m2 600 g/m2 800 g/m2
Unit Weight Variation % -8 -8 -8 -8 -7 -7 -7 -7 -6 -6 -6
Thickness mm ≥ 0.9 1.3 1.7 2.1 2.4 2.7 3.0 3.3 3.6 4.1 5.0
Width Variation % -5%
Breaking Strength (MD/CD) kN/m ≥ 2.5 4.5 6.5 8.0 9.5 11.0 12.5 14.0 16.0 19 25
Breaking Elongation (MD/CD) % 25–100
CBR Burst Strength kN ≥ 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.2 4.0
Sieve Size mm 0.07–0.2
Vertical Permeability Coefficient cm/s K × (10-1 – 10-3) K = 1.0–9.9
Tear Strength (MD/CD) kN ≥ 0.08 0.12 0.16 0.2 0.24 0.28 0.33 0.38 0.42 0.46 0.6

Application

It can used with woven or welded gabions for channel lining reinforcement, erosion control and flood protection.

A drawing shows separation of gabion geotextile.

Separation
The use of a geotextile is to prevent the intermixing of dissimiar soil layers.

A drawing shows drainage of gabion geotextile.

Drainage
The use of a geotextile layer is to collect and transport fluids within its own thickness.

A drawing shows filtration of gabion geotextile.

Filtration
Allow fluid passage (commonly water) while prevent the uncontrolled soil particles passage.

A drawing shows protection of gabion geotextile.

Protection
As a stress reduction layer to prevent or reduce damage to an adjacent surface or layer.

A drawing shows drainage of gabion geotextile.

Reinforcement
The use of the tensile properties of geotextile is to resist stresses structures.

A drawing shows drainage of gabion geotextile.

Erosion control
The use of geotextile is to prevent loss of soil particles from water erosion.

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