Non-Woven Needle Punched Geotextile
Non-woven needle punched geotextile refers to a water-permeable geosynthetic material that is made by needle punching. It is entangled to create complex structures from random fibers which ensures perfect pores distribution and great drainage.
It is used in many projects such as construction and civil engineering as it protects from erosion, maintains soil stability, and assists in drainage.
Best Material for Non-Woven Needle Punched Geotextile
Some of the best materials for non-woven needle punched geotextile include:
· Polypropylene fibers – Polypropylene fibers are very elastic, resistant to abrasion, mold-resistant, and also resistant to acid and alkali. It also has great low-temperature resistance and excellent water permeability.
· Polyester fibers – Polyester fibers possess great mechanical and physical properties and are excellently tough. This raw material has a high melting point, aging resistance, and high resistance to changes in temperature.
Advantages Of Non-Woven Needle Punched Geotextile
· Great Strength And Elongation – Whether it is wet or dry, non-woven needle punched geotextile always, maintains its strength and elongation capabilities. This ensures that it serves the desired function efficiently.
· Acid And Alkali Resistance – Non-woven needle punched geotextile is protected from being corroded despite its alkaline PH value or acidic PH value.
· Good Water Permeability – It has perfect water permeability thereby protecting areas that are subject to erosion disruption. It can create a channel in the soil structure for discharging excess gas and liquid.
· Antibacterial Performance – Non-woven needle punched geotextile has good antibacterial performance which does not harm insects and micro-organisms
Non-Woven Needle Punched Geotextile Production Process
The production process of non-woven needle punched geotextile follows a series of steps which include:
- Polyester or polypropylene chips are used as raw materials in making non-woven needle punched geotextile.
- They are melted and converted to plastic using high temperatures.
- Once this is done, the raw materials are punched into a net and then consolidated using needle punching. Once they are compounded together, they form non-woven needle punched geotextile.
Application Of Non-Woven Needle Punched Geotextile
Some of the applications of non-woven needle punched geotextile include:
· Filtration – Non-woven needle punched geotextile ensures fine particles are well retained. It holds the particles in place when water is moving from layers of fine grains to coarse grains.
· Separation – It is used in separating two soil layers that have different physical properties. For example, non-woven needle punched geotextile is used in the separation of sub-base materials from road gravel.
· Drainage- Non-woven needle punched geotextile is used in draining gas or liquid from the fabric’s plane during construction. This causes the soil to be drained for example as the gas vent layer in the making of landfills.
· Reinforcement – Non-woven needle-punched geotextile helps in enhancing the capacity of holding loads for given soil structures. For example, it can be used in retaining walls to reinforce them.
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