Geosynthetics are products mostly made of polymers. These materials can be used to separate or reinforce the soil layer as well as providing imperviousness or drainage solutions when in need. As they are suitable for exposure, geosynthetics are used in many applications of civil, geotechnical, and transportation engineering.
There are seven different main groups of geosynthetics: Geotextiles, Geogrids, Geonets, Geomembranes, Geosynthetic Clay Liners, Geofoam, Geocomposites.
Here are three examples of geosynthetic applications:
Geocells: Road design
Geocells are cellular structures that are filled with soil to form confinement systems. The cells reduce lateral displacements and create stiff layers that can be used to distributed loads into wider areas. Hence, geocells can be used in slope protection, earth retention applications, or long-term road/rail support.
Geofoam: Rebuilding the US. Highway 36
Geofoam is a polymeric product in the form of large but extremely light blocks which can be placed to create lightweight fill below highways to minimize the settlements.
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