Fiberglass Geogrids
Fiberglass geogrids are type of geosynthetic material made from high strength continuous filaments yarns that are woven into grids like structure. The yarns are made from fiberglass which results to a flexible and durable material used in civil engineering
Features of Fiberglass Geogrid
They contain squared structures that are closely spaced both in longitudinal and transverse strands. They are interconnected to each other by knitting.
Fiberglass geogrids come in different types of aperture size of grid strands depending on the type of structure. It can be customized according to the type of project requirements.
Fiberglass geogrids has a high resistance to deformation enabling the structure to have a long term service. This helps it to maintain its shape over that period.
How Fiberglass Geogrid are Made
They are typically manufactured through a process of weaving or knitting of raw materials. Fiberglass yarn is the raw material used made from continuous glass filaments that are coated with a polymer material like bitumen for asphalt reinforcement.
Warping is done by creating multiple fiberglass yarns to form a large beam of continuous parallel arrangement ready for weaving or knitting. The arranged yarns are then fed into the weaving machine and interlaced with other yarns that are perpendicularly arranged to form a grid- like structure.
After weaving process, the fiberglass geogrid is usually coated with a protective polymer material to enhance durability and resistant to chemicals. According to project requirements, fiberglass may undergo a heat treatment to enhance additional strength and stability.
The complete processed fiberglass geogrid is then cut into roles of the desired measurements and packaged for use.
Benefits of Fiberglass Geogrids
- Provide stability and longevity of a structure by reducing occurrence of deformations and cracks on it. This increases the amount of load to be carried on that structure.
- Fiberglass has high tensile strength that enables them to withstand heavy loads making them distribute stresses evenly.
- Fiberglass geogrids are resistant to biological degradation that is caused by insects, rodents and microorganisms.
- It is compatible with variety of materials used in civil engineering, including concrete, asphalt, different types of soil.
- They are light weight making the installation work and transportation easier compared to traditional type of materials like steel.
- Use of fiberglass geogrids reduces cost during construction. Since using fiberglass geogrids saves time during construction, it reduces labor cost.
- They maintain their shape and size under different types of loads hence providing consistent reinforcement throughout the structure existence.
Fiberglass Geogrid Applications
Fiberglass geogrids are commonly known to reinforce and stabilize soil structures like retaining walls.
They are used when constructing pavements and roads to enhance load bearing capacity. The fiberglass is usually placed in between the layers of the proposed structure.
Provide reinforcement to the concrete lining of underground structures and tunnels.
Used in Air Plane railway stabilization to improve the performance of the track structure.
They can be used in bridge construction to also provide stability and prevent settlement.
Suitable for slope stabilization to prevent erosion they are placed horizontally within the slope to increase its shear strength.
Fiberglass geogrids are used in asphalt reinforcement to distribute the tensile stresses.
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