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Geosynthetics and Their Uses
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Geosynthetic Cementitious Composite Mat (GCCM)
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.
Geofoam
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.
Geopipe
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.
Geotextile
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.
Geomembrane
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.
Geocomposite
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.
Geocell
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.
Geogrid
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.
Geonet
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.
GCL (Geosynthetic Clay Liner)
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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