Geosynthetics offer many benefits over the traditional methods of construction which they replace include reducing construction times, and thereby, project costs and minimising the environmental impact of the product by reducing the volume of natural materials used and by reducing the transport loads both to and from the site.

ABG Geosynthetics offer a complete range of geosynthetics for use throughout the construction and maintenance of highways. Applications include highway drainage, structural drainage, embankment erosion control, retaining walls, pavement reinforcement and asphalt reinforcement.

All ABG products are proven and tested for use in the application proposed. Specific design advice and guidance is available from our experienced in house technical team who will help ensure the right product is specified for your specific application.

For many years ABG have been at the forefront of using geosynthetics in highway construction. We are active members of a number of industry bodies that drive product quality and standards across the sector. 

Click for Recent Highways Projects

Green Construction for Highways

The publication of the RIS2 Rising to the Challenge document proposes some very interesting developments for Highways construction and retrofit. See our full response here.

Extract from ABG's Highways Engineering, Earthworks and structures CPD. Click to register for the CPD.

Geosynthetics in Highway Applications

Pavement Reinforcement Systems

From strengthening the sub-base through to reinforcing the asphalt wearing course Fortifix® , Rotagrid  and Rotaflex  products are designed to increase the maintenance period of the road and thereby reduce the long-term costs associated with maintenance. Fortifix®  is a steel grid and geotextile composite anti-reflective cracking layer for asphalt reinforcement. Click for a full list of asphalt reinforcement systems.

Fortifix® steel geogrid and geotextile composite asphalt reinforcement system

Highway Drainage

Fildrain Types are a range of highways edge fin drains used to replace granular drains, as illustrated in HCD figures F18, F19 and F21. Fildrain Type 5, Type 6, Type 7 and Type 10 are BBA HAPAS approved geocomposite drains. They offer multiple environmental and installation benefits, such as reduced material movements on site, allowing the use of site arisings to backfill trenches, and can be easily stored in a site compound ready for use rather than relying on timed delivery as with granular drains. Terrex geotextiles are widely used in the construction of Type 8 and Type 9 fin drains.

Concrete can be cast into the back of the Fildrain Type 10 Drainage Geocomposite for highway concrete channel drainage as shown in the video below:

Counterfort Drainage

Fildrain geocomposite systems can be used as an alternative to costly granular layers for counterfort drains. Fildrain can also be used for toe drains, or to act as a barrier and collector system. 

Erosion Protection

A comprehensive range of erosion control products for applications such as surface protection, protecting the structural stability of soils and retaining soil on slopes, Erosaweb geocell can also be used to hold soils on top of membranes in drainage ditches and attenuation ponds.

Click for more details on highway embankment erosion control solutions from ABG

Starter and Consolidation Layers

ABG Fildrain geocomposite fin drains are used as an alternative to granular starter layers, or to speed up consolidation in both temporary and permanant works. Fildrain provides a clear drainage path to relieve pore pressures, while also acting as a barrier to the ingress of rainfall.

Click for more details on highway embankment starter layers and settlement solutions from ABG

Contact ABG for further information

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discuss your geosynthetic requirement for highways projects