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Nonwoven Geotextiles have many uses. The term "non-woven fabric" refers to a sheet or fabric that has a web structure that is bonded together by entangling the fibers. Non-woven geotextiles are multipurpose fabrics that from a distance almost look like felt. The main function for these products is filtration and separation. Often geotextiles are used in civil construction projects to improve the characteristics of the soil. When soil is flyaway and considered "poor soil" Nonwoven geotextiles can make it more manageable. By doing so they allow a problematic area to become usable.
The most common geotextile is referred to as a "Nonwoven" geotextile because it is made by a spun bonding process. Molten polymer is extruded through a spinneret which creates separate filaments which are then cooled and moved to a conveyor belt to form a continuous web. The term "spinneret" is often used to describe the way a spider creates its highly complex web structures. The fibers re bonded together by chemical, heat or solvent treatment. The result is a smoother yet stiffer product with reduced pore size with increased strength. At JRX the types of non woven geotextiles that we offer are made from polypropylene or polyester.
Non woven geotextiles have so many different uses. Here is a partial list of some of the more commonly used applications.
Often a geotextile will be placed between two different soil materials to separate the dissimilar material which allows the required soil to be retained. When water seeps down into the soil layers the geotextile will prevent the soil from effectively mixing. An example would be when a road is being constructed. The engineer may want to keep the fine sub-grade aggregate apart for the coarse aggregates which are on the bottom layer.
Due to the fused entangled filaments this allows the water to move in both directions. This can apply to both a woven or nonwoven geotextile. Depending on how porous and permeable the material is, geotextiles can promote lateral flow of drainage water. Geotextiles are used in both vertical and horizontal applications.
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.