FG Biaxial Grid 100 Asphalt Pavement Knitted Glass Fiber Geogrid Reinforce Soft Soil Road Construction

FG Biaxial Grid 100 Asphalt Pavement Knitted Glass Fiber Geogrid Reinforce Soft Soil Road Construction

What is a Glass Fiber Geogrid?

A Glass Fiber Geogrid is a geosynthetic material made from high-strength

glass fiber filaments coated with a protective polymer (like PVC or acrylic).

These filaments are woven or knitted into a grid-like structure, consisting

of ribs (the longitudinal and transverse elements) with large, regular openings called apertures.

Its primary function is to function as a reinforcement material within soil, asphalt, or other granular

materials. It does not act as a separator or filter but distributes loads and provides tensile strength

to a system that would otherwise have none.

Glass Fiber Geogrid  Key Components and Manufacturing

Glass Fiber Filaments: The core material. Glass fibers are known for their exceptionally high tensile strength

and low elongation (they are very strong but don't stretch much).

Coating: The glass fibers are sensitive to abrasion and the alkaline environment of soil and cement.

A specialized polymer coating is applied to:

Protect the fibers from mechanical damage.

Protect against chemical degradation.

Improve the bond (friction) between the grid and the surrounding soil or asphalt.

Glass Fiber Geogrid ​ Key Properties:

Aperture Size:

Typically ranges from 20x20 mm to 40x40 mm, optimized for optimal interlock with common aggregate sizes.

Coating:

Coated with a polymeric material (e.g., PVC) to protect the glass fibers from abrasion and

damage during installation and to provide UV resistance.

Glass Fiber Geogrid Geogrid  Specification:

Before Coated Bitumen                                            After Coated Bitumen

Mesh Size 25.4x25.4mm                                           Mesh Size 12.8x 12.8 mm

Glass Fiber Geogrid Key Benefits:
✔ Optimal Load Distribution – Reduces stress and prevents reflective cracking
✔ Asphalt-Compatible – Bitumen-coated for superior adhesion in paving applications
✔ High Tensile Strength – 50 kN/m in both directions (longitudinal & transverse)
✔ Corrosion & UV Resistant – Long-lasting durability in harsh conditions
✔ Easy Installation – Flexible, lightweight, and roll-form for quick deployment

Glass Fiber Geogrid  Applications:

1.Road and Pavement Reinforcement:

Laid on soft subgrade before placing the aggregate base course.

It reduces rutting, extends pavement life, and allows for a thinner base layer, saving cost.

2.Soil Stabilization:

Used to build stable working platforms on very soft soils (like clay or peat),

allowing construction equipment to operate.

3.Asphalt Overlay Reinforcement:

A specialized application where a fiberglass geogrid is embedded in asphalt to retard reflective cracking from old pavement layers.

4.Landfill and Embankment Support:

Provides tensile strength to soil structures.

5.Parking Lots and Access Roads:

A very common application for this strength class.

Glass Fiber Geogrid Key Considerations and Potential Downsides :

Not a Fix for Structural Failure:

If your old driveway is failing due to a poor base

(e.g., sinking, severe rutting), a geogrid will not help. The underlying base must be sound and stable.

Proper Thickness is Critical:

Paving too thin of an asphalt layer (e.g., 1.5-2 inches) over the grid will not

provide enough material to interlock properly and can lead to raveling (the asphalt breaking apart around the grid).

Cost:

It adds to the initial cost of the driveway project due to the material cost and specialized installation knowledge.

Contractor Experience:

Not all asphalt contractors are familiar with the proper installation technique for paving geogrids. It is vital to hire a contractor who has proven experience with this specific product.

Yixing Shenzou Geosynthetics more geotechnical material solutions,

Welcome to contact Yixing Shenzhou Amelie Dai

Email : amelie@geogrid-cn.com

Mob/Whatsapp : 0086 13815119816

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