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Geosynthetics and Their Uses

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Geosynthetic Cementitious Composite Mat (GCCM)

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A fabric-like material with a concrete filler that hardens upon hydration to form a durable concrete layer. Used for erosion control, channel lining, or as an alternative to conventional concrete.

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Geofoam

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A lightweight, engineered material made from polystyrene foam and used as a soil substitute in geotechnical applications. It provides support and is often used in the construction of embankments over soft soils.

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Geopipe

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A type of geosynthetic plastic piping used to convey water. It's used in subsurface drainage systems, stormwater drainage, and sewer piping, often found in road construction and agricultural fields.

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Geotextile

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Permeable fabrics which, when used in association with soil, have the ability to separate, filter, reinforce, protect, or drain. Typically used in road construction, erosion control, and stabilization projects.

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Geomembrane

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An impermeable membrane used primarily for linings and coverings of liquid or solid storage facilities. Functions include containment of hazardous or municipal waste, as well as canals, and ponds.

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Geocomposite

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A multi-layered geosynthetic which combines different materials like geotextiles, geomembranes, geonets, or geogrids. These are used for various functions including drainage, reinforcement, filtration and separation.

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Geocell

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A three-dimensional, honeycomb-like structure used for soil stabilization, erosion control, and earth retention. Made from ultrasonically welded strips of geotextiles, typically used in slope protection and road reinforcement.

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Geogrid

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A geosynthetic material used to reinforce soils and similar materials. Geogrids are commonly used to reinforce retaining walls, as well as subbases or subsoils below roads or structures.

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Geonet

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A drainage geocomposite consisting of a core with ribs that provide channelized flow. Mainly used for in-plane subsurface drainage applications, like landfill leachate collection, or roadway drainage.

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GCL (Geosynthetic Clay Liner)

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A woven fabric-like material primarily used for the lining of landfills. It combines a layer of bentonite clay sandwiched between geotextiles that are needlepunched together. Serves to prevent fluid migration.

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