Global Synthetics geogrids are manufactured from the extrusion, weaving or welding of a polymer to form open aperture products of varying strength, strain and load carrying capability for applications of soil reinforcement.
Generally geogrids have a primary strength in one direction only (uniaxial geogrids) although in certain applications the strength may be equal in both directions of the product (biaxial geogrids).
Geogrids work by interlocking with the granular or soil material placed over them. The open apertures of the geogrid allows for confinement of the material within, thereby increasing the shear strength of such materials.
Geogrids are typically used in such markets as segmental block retaining walls, slope reinforcement, pile cap platforms and base reinforcement applications such as roads, carparks and rail line construction.
Combigrid® is a flat composite geogrid from the Secugrid® product range. Incorporated into the geogrid construction is a non woven geotextile component for specific applications where reinforcement of problematic soils is required combined with the additional functions of separation and filtration.
Combigrid® is a multifunctional geogrid and is particularly suited for use on weak subgrades (CBR≤ 3) where the benefit of reinforcement is provided by the geogrid whilst the non woven geotextile component provides a positive separation and filtration function.
The composite geogrid and geotextile product called Combigrid® was used by council in reconstruction of a number of suburban road projects. The geotextile provides a positive separation function with the geogrid providing reinforcement.
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