This geotextile filter is one of the materials that is usually in the geotechnical field. You can use this material in the ground for certain geotechnical functions. The function of this material is quite diverse, one of which is as a filter. In its application, geotextiles for drainage can be useful for controlling the movement of water along with soil particles.
Geotextile as a filter can prevent soil from washing into the drainage system. Soil granules will start to dissolve from their initial sites around the drainage, unless they can contaminate the drainage structure. Besides that, it can also disturb the stability of the surface around the drainage.
Geotextile Filter, Advantages of Use in Filtration and Drainage Systems
The geotextile design is the same as the filter design using granular soil. This geotextile is the same as soil which has pore cavities and grains for fiber geotextiles that are identical to grains. It’s just that the shape and arrangement of fibers, the pores of this material are more complex than soil.
In this material, the pores can be granulated in the same way as for soil. This is because the geotextile pore size can be measured. So as to be able to establish the relationship between the pore size of the geotextile and the grain size of the soil that is necessary for this material to hold.
Advantages of Using Geotextiles for Filtration and Drainage Systems
Depending on various field conditions, there are a number of advantages to using this material for filtration and drainage systems, such as:
- Has greater stability.
- The size of the drainage can be smaller.
- Cheaper installation costs because the implementation is easy.
- Installation is quick and requires less digging, so less soil is lost.
- The risk of contamination and aggregate segregation will also be lower during implementation.
- Uncomplicated system details will also facilitate the planning and implementation process.
When the two are compared, the cost of constructing drainage with conventional methods, the use of this geotextile filter will only require a smaller drainage ditch size. So the costs you need to spend will be less.
Drainage Filter for Underground
You can use geotextiles for filter functions in underground drainage systems. Usually the problem that can occur with conventional drainage is clogging of the system by fine soil particles. We can overcome this problem by using geotextiles that function, not only for filters but also function as a medium for flowing water.
Examples of the use of geotextiles for this filter are for drainage canal filters, drainage ditches beside roads, drainage layers, to drainage for under roads with a permeable foundation layer. Thanks to the fact that geotextiles are almost the same as granular filters, they are relatively inexpensive. This material also has consistent properties and is easy to install.
Placement of Geotextiles for Drainage Systems
In some cases, there are several placements that are often wrong, especially if this material is for underground drainage. This geotextile filter material will not be effective if it is in a position that blocks the flow. Installation that is not effective can result in the flow of water not being smooth.
Proper installation must be outside on crushed stone as an example. Because it can allow water to flow freely into other media that are more permeable to water, so that the flow will not be obstructed. In some cases, dams or filter structures will be in dire need of this material.
Moreover, failure of the drainage system often occurs due to blockage of the filter system. That’s why drainage requires a geotextile filter to add a filter and also allows drainage to work as it should.
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