Nonwoven Geotextiles


Woven Geotextiles


Geomembranes


Geogrids


Geosynthetics Clay Liner (GCL)


Geocell


Geonet


Geocomposites


What are Plastic Geogrid and Polyester/Glass Fiber Geogrid

Geogrid is a major geosynthetic material. Compared with other geosynthetics, it has unique performance and efficacy. Geogrids are often used as reinforcements for reinforced soil structures or composites. Geogrids are divided into two types: polyester/glass fiber geogrid and plastic geogrid.

(1) Plastic geogrid

This kind of geogrid is a square or rectangular polymer mesh formed by stretching. It can be divided into unidirectional stretching and bidirectional stretching according to the different stretching directions during manufacture. It punches holes on the polymer sheet (mostly polypropylene or high-density polyethylene) produced by extrusion, and then performs directional stretching under heating. The uniaxially stretched grid is only stretched along the length of the sheet, while the biaxially stretched grid is made by continuing to stretch the unidirectionally stretched grid in the direction perpendicular to its length.

Biaxial Plastic Geogrid
Biaxial Plastic Geogrid

As the geogrid is manufactured, the polymers of the polymer will be rearranged and oriented during the heating and extension process, which strengthens the bonding force between the molecular chains and achieves the purpose of improving its strength. Its elongation is only 10% to 15% of the original sheet. If anti-aging materials such as carbon black are added to the geogrid, it can make it have better durability such as acid resistance, alkali resistance, corrosion resistance, and aging resistance.

Multiaxial Plastic Geogrid
Multiaxial Plastic Geogrid

(2) Glass Fiber/polyester fiber Geogrid

This kind of geogrid is made of high-strength glass or polyester fiber, sometimes combined with self-adhesive pressure-sensitive adhesive and surface asphalt impregnation treatment, so that the grid and the asphalt pavement are closely integrated into one. As the interlocking force of soil and rock materials in the geogrid grid increases, the friction coefficient between them increases significantly (up to 0.8-1.0). The resistance of the geogrid buried in the soil is due to the interlocking force between the grid and the soil. The frictional bite force is stronger and significantly increased, so it is a good reinforced material.

High Strength Polyester Geogrid
High Strength Polyester Geogrid

At the same time, the geogrid is a flat mesh material with lightweight and certain flexibility, which is easy to cut and connect on-site, and can also be overlapped. The construction is simple and does not require special construction machinery and professional technicians.

For more information please contact to Geofantex Geosynthetics Co., Ltd.

PET GEOGRID

PET Geogrid

UNIAXIAL-GEOGRID

PP Uniaxial Geogrid

FIBERGLASS GEOGRID

Fiberglass Geogrid

PP PLASTIC MULTIAXIAL GEOGRID

Biaxial Plastic Geogrid

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