Coir Geotextiles Uses and Functions to Repair Critical Land
Using Coir Geotextiles to Prevent The Lanslide
Coir geotextiles uses – Coir geotextile is a natural material and permeable textile material used to improve soil characteristics. It has the ability to separate, filter, strengthen, protect and drain when used in conjunction with soil. Coir geotextile is an ideal material for many infrastructure jobs such as roads, harbors, landfills, drainage structures, and other civil projects.
Coir geotextile material is very useful for soil reinforcement at a relatively low cost compared to other soil strengthening methods. In addition, in forms of good strength so that the soil does not sink easily. Coir geotextile is a natural solution to prevent erosion/degradation of soil quality on a large scale.
Coir Geotextile is made from coconut coir which is processed by crushing it with a coir crusher machine. The coir is cut into small pieces then sieved using a coir sieving machine to produce separated fibers. This fiber is then twisted by a spinning machine with a diameter size that can be adjusted as needed.
The Categories of Coir Geotextiles
Coir Geotextiles are made from coconut coir that has gone through various processes. As a natural product, Coir geotextile is a product that is biodegradable and environmentally friendly. They are divided into 2 categories on the basis of the way they are prepared :
- Woven Coir Geotextiles
- Non-Woven Coir Geotextiles
1. Woven Coir Geotextiles
This form is the simplest. The coir geotextile is made traditionally manually using the 2 shaft weaving technique. It is used primarily for erosion control applications. The of this variations are made according to the intensity of rainfall, soil type, and surface slope. Each variety can be identified by weight per m2, and yarn type.
2. Non-Woven Coir Geotextiles
The type of coir geotextiles is often referred to as coir filter fabrics. Made from the same materials as non-woven coir geotextiles in the form of sheets and not by weaving. Coconut coir fibers are pressed and heated with special glue.
Generally, both types of coir geotextile have the same function. It is only that their use depends on the type of soil and the purpose of the construction to be built.
Coir Geotextiles Uses and Functions
The mode of operation of a coir geotextile in any application is defined by three discrete functions :
1. Filters
Coir geotextile has high permeability properties so that it is able to drain water through the coir geotextile material. The flow of water will carry soil particles, so this is where the geotextile coir functions as a filter or filter where water can still flow but soil particles do not penetrate the geotextile coir material.
2. Separator
Coir geotextile has been known as an effective material to prevent the mixing of soft soil with soil pavement on it, for example, in the case of road construction on soft soil. Often the soft subgrade moves up. The role of the geotextile coir is to prevent the soft soil from rising to the pavement.
Because of one, the advantage of coir geotextile is that it has good stretchability and can withstand the friction force that occurs so it is very suitable to be used as a separator between soft soil and the pavement above it.
3. Sealing
A layer of non-woven coir geotextile is impregnated in between existing and new asphalt layers. The geotextile absorbs asphalt to become a waterproofing membrane minimizing the vertical flow of water into the pavement structure.
The scope of coir geotextile in the engineering field is very vast. The application of coir geotextile is given under the heading of the nature of work.
- Slope soil stabilization serves to strengthen and control erosion
- Reinforcement of soil walls serves for reinforcement and drainage
- Road stabilization functions for filtration, drainage, separation, reinforcement, and containment
- Railroad, channel stabilization function for filtration, separation, reinforcement of confinement
- The embankment on soft soil serves for filtration, separation, reinforcement, and erosion control
- Landfill functions for filtration, drainage, separation, protection, and encapsulation
- Slope erosion control serves to control erosion and containment
- Reclaimed land is used for filtration, separation, and reinforcement
- Reinforcement of river embankments serves for filtration, separation, and erosion control
From the coir geotextiles uses and functions above, it can be seen that there is a big difference between functions and applications. These various functions can be fulfilled mostly by coir geotextiles.
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