ACEGrid® GA
Geogrids
About
Fiberglass Geogrids coated with Bitumen for Road Asphalt Reinforcement
ACEGrid® GA are bitumen coated fiberglass geogrids designed for road asphalt layer reinforcement, used as an addition to the pavement structure to enhance reinforcement. As an asphalt interlayer, ACEGrid® GA can evenly distribute stress resulted from upward load and reduce the deformation of the asphalt layer. The bitumen adhesive coating strengthens the bond between the fiberglass geogrid and the asphalt layer, improving stress transfer and durability. Therefore, the occurrence of surface cracks, including surface cracking in asphalt pavements, is delayed and the service life of road is significantly extended, allowing pavement maintenance cost to be saved.
Function

Reinforcement
Features
Effective and efficient solution for pavement improvement
ACEGrid® GA have a very high melting point exceeding 500 ° F to endure high temperatures during the asphalt layer construction process. Furthermore, the adhesive coating, bitumen, strengthens the bonding between fiberglass and asphalt, and the aperture size of ACEGrid® GA, 25.4 X 25.4 mm, provides interlock effect between the grid and asphalt course to increase its reinforcement performance. As a rolled and self-adhesive product, ACEGrid® GA is easy to be installed. Thus, the application of ACEGrid® GA is highly suitable for road construction, maintenance, and repair to reduce cracks and rutting.
ACEGrid® GA can also be used in combination with other reinforcement methods to further enhance pavement performance and extend service life.
Strong reinforcement in the long term
The fiberglass used for producing ACEGrid® GA has very high modulus, which makes the geogrids have extremely low elongation and creep. Along with the adhesive surfaces and adequate aperture sizes beneficial for forming strong connection to asphalt layers, ACEGrid® GA can have high resistance to dynamic shock loading and seismic activity. Furthermore, the bitumen coating of ACEGrid® GA offers high resistance to abrasion, ultraviolet, weathering, bio-decomposition and chemical corrosion. It can also effectively reinforce the asphalt layer in the long term. Asphalt pavements are usually under the threat of cracking and degradation, and the repairs not only cost time and money but also influence the traffic volume and safety. Therefore, for road pavement construction or rehabilitation, laying ACEGrid® GA in the asphalt layer is surely an economical choice.
Mitigating Reflective Cracking
Reflective cracking is a persistent issue in asphalt roads, often leading to premature deterioration of the pavement structure. This type of cracking occurs when existing cracks or joints in the underlying layers propagate upward, eventually appearing on the road surface. To combat this, fiberglass geogrids are used as an effective asphalt reinforcement solution. By providing a strong, stiff layer within the pavement, these geogrids intercept and redirect crack propagation, significantly reducing the formation of new surface cracks. This not only preserves the structural integrity of paved roads but also extends their service life and reduces the frequency of costly maintenance. The use of fiberglass geogrids in mitigating reflective cracking has proven to improve the overall performance of road infrastructure, making them a critical tool for pavement engineers seeking to enhance the durability and reliability of asphalt pavements.
Stabilization of Soft Soil
Soft soil conditions present a significant challenge in road construction, often leading to settlement, deformation, and compromised road performance; used as an asphalt interlayer, ACEGrid® GA helps the pavement resist rutting and differential settlements associated with soft ground. Geogrids, particularly fiberglass geogrids, offer an effective solution for soil stabilization by reinforcing the subgrade and distributing traffic loads more evenly. Their high tensile strength and resistance to deformation enable them to interlock with soil and aggregate materials, providing essential support for paved roads built over weak or variable ground. By stabilizing soft soils, geogrids help maintain the structural integrity of the road surface, reduce the risk of rutting and subsidence, and extend the service life of the pavement. This approach not only improves the quality and durability of road construction projects but also minimizes long-term maintenance costs. Geogrids are also suitable for supporting steep slopes, clay soils, and aggregate-based roads, making them a versatile and reliable solution for a wide range of site conditions.
Product Selection and Installation
Choosing the right geogrid product and ensuring proper installation are crucial steps in achieving optimal results in road construction and asphalt reinforcement projects. When selecting a geogrid, pavement engineers should consider factors such as the type of soil, expected traffic loading, pavement structure, and specific project requirements. Fiberglass geogrids, like ACEGrid® GA, are particularly effective for applications requiring high tensile strength, resistance to deformation, and superior bonding with asphalt layers. Installation is typically straightforward, with self-adhesive and rolled products allowing for quick and efficient placement on site. Proper alignment and tensioning during installation are important to maximize the interlocking effect and ensure consistent performance across the road surface. By carefully selecting and installing the appropriate geogrid, project teams can significantly improve the structural integrity, durability, and service life of paved roads, while also reducing maintenance needs and overall project costs.
The benefits of using ACEGrid® GA include:
• Minimize reflective cracking and rutting to extend pavement life (or maintenance intervals), with reduced need for maintenance and repairs
• Simple and quick installation, allowing for completing road construction or rehabilitation projects efficiently
• Strengthen asphalt layers to withstand risks such as over high/ intense wheel loads, differential settlements, earthquakes, etc.
Applications
Resources
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【Brochures】ACEGrid® GA Product Brochure
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【Brochures】Case Study Collection-Safety and Reliability with ACE Solutions
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【Brochures】ACE Solutions in Transportation Geotechnics
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【Brochures】ACEGrid® Product Brochure
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【Data Sheets】ACEGrid® GA Fiberglass Geogrid TDS
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【Papers】The Comparison and Analysis of International Tensile Test Methods and Results
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【Others】Case Study Collection- Roadway and Railway Construction
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ACEGrid® Product Brochure
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ACEGrid® GA Product Brochure
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ACEGrid® GA Fiberglass Geogrid TDS
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The Comparison and Analysis of International Tensile Test Methods and Results
Related Case Studies

Pavement Rehabilitation, Colombia, South America
Application:Pavement Improvement