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GEOTEXTILES

A geotextile is typically defined as any permeable textile material used to increase soil stability, provide erosion control or aid in drainage. More simply put, if it is made of fabric and buried in the ground  it is probably a geotextile! Geotextiles have been in use for thousands of years dating back to the Egyptian Pharaohs. These early geotextile applications were basically natural fibers or vegetation mixed directly with soil. Modern geotextiles are usually made from a synthetic polymer such as polypropylene, polyester, polyethylene and polyamides. Geotextiles can be woven, knitted or non-woven. Varying polymers and manufacturing processes result in an array of geotextiles suitable for a variety of civil construction applications.

Non-woven geotextiles resemble felt and provide planar water flow. They are commonly known as filter fabrics, although woven monofilament geotextiles can also be referred to as filter fabrics. Typical applications for non-woven geotextiles include aggregate drains, asphalt pavement overlays and erosion control.

A woven geotextile is a planar textile structure produced by interlacing two or more sets of strands at right angles. There are two types of strands: slit films, which are flat; and monofilaments, which are round. Woven slit-film geotextiles are generally preferred for applications where high strength properties are needed and filtration requirements are less critical. These fabrics reduce localized shear failure in weak subsoil conditions and aid construction over soft subsoils. Woven monofilament geotextiles are preferred for applications where both strength and filtration are a concern, such as shoreline rip rap applications.

Geotextile-related materials such as fabrics formed into mats, webs, nets, grids, or formed plastic sheets are not the same as geotextiles. These would fall under the more general category of geosynthetics. GeoCHEM, Inc. offers a full line of geotextile products. Geotextile distributors, contractors, geotechnical engineers and homeowners are all welcome to call.

Our knowledgeable staff is here to help with any geosynthetic application from simple driveway fabric to high-strength reinforcing geogrids or any geosynthetic product in-between.

 

WOVEN GEOTEXTILES NON-WOVEN GEOTEXTILES NON-WOVEN PAVING FABRIC
AREMA SELECTION GUIDE FHWA SELECTION GUIDE NRCS SELECTION GUIDE
AASHTO M288 SELECTION GUIDE AGENCIES AND SPECIFICATIONS GEOTEXTILE TEST METHODS
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Main Phone: 907-562-5755 ~ Toll Free: 800-490-5320
Washington State Sales: 206-774-8777 ~ Fax: 206-219-3740


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