Geosynthetics provide many benefits over traditional construction techniques where soils, subbases, subgrades, foundations, slopes and trafficked surfaces are constructed. By reducing traditional stone construction layers the use of geogrids, geocells and geotextiles have become the engineered, environmental and cost-effective solution for such civil engineering projects.
ABG has an extensive range of geosynthetics used in reinforcement and stabilisation applications including surface reinforcement, slope stabilisation, asphalt reinforcement and subbase stabilisation.
ABG’s technical team are able to provide technical support for all applications ensuring that the correct product solution is supplied.
Typical applications
Asphalt reinforcement for highways and roads
Soil stabilisation
Ground stabilisation
Basal reinforcement
Roadway subbase reinforcement
Steep slope stabilisation
Tree root protection
Reinforcement for car parks and access roads
Benefits
Reduces the depth of the subbase
Strengthens subbase construction
Cost-effective alternative to stone
Reduction is stone transportation costs
Geotextiles provide filtration & separation functions
Geogrids help reduce subbase thickness
Geocells reinforce slopes and embankments
Strengthen weak soils in horizontal applications
Typical Client Profile
Highway Engineers
Civil engineering contractors
Landscape Architects
Rail Engineers
Local Authorities
Parks and Private Estates
ABG supply a range of geosynthetic product solutions that provide reinforcement and stabilisation for soils, slopes and subbases:
Geogrids
Abgrid biaxial geogrid is used in a range of civil engineering applications such as ground reinforcement, subbase aggregate reduction, basal reinforcement, paved and unpaved road foundations, permeable paving construction, retaining walls and steep-sided soil embankments.
Road Foundation Design using CD225
According to CD225 (formerly IAN 73/06 revision 1 (2009), HD 25/94), clause 2.7, Note 2: “Options for improvement of the subgrade include excavation and replacing between 500 to 1,000 mm of the soft subgrade with granular fill, mechanical stabilisation (geogrids and/or geotextiles) and soil stabilisation”. ABG can propose a stabilised foundation solution to compensate for the lower CBR strength values (i.e. less than 2.5%) and achieve the foundation class requirements. The design for all foundation areas shall be based on achieving a foundation class selected from Table 3.7 in CD225.
Fortifix® steel grid asphalt reinforcement system is an anti-reflective cracking interlayer with advanced steel cord structure laminated onto a geotextile layer to provide optimal reinforcement for road surfaces.
Rotagrid is a self-adhesive, glass fibre geogrid pavement reinforcement system designed to prolong the life of asphalt pavement structures.
Geotextiles
Terrex NW geotextiles provide ground stabilisation by separating angular stone layers within a constructed subbase. By allowing water to percolate through, subbases are stabilised as the intermixing of different construction layers and subgrades is stopped. Gridtex is a high performance woven geotextile engineered for reinforcement applications and is ideal for strengthening a wide range of soils.
Geocells
Webwall is a three dimensional cellular matrix that confines soil and fill material for steep retaining walls. Erosaweb controls erosion on slopes by confining fill material within the cells. Abweb geocell is designed to reinforce weak soils in horizontal applications, such as car parking areas and access roads used for traffic. Abweb TRP geocell protects tree roots where a pavement or road is to be constructed without damaging nearby trees.
Permeable Paving Surfaces
Sudspave porous plastic pavers provide a reinforced gravel or grass surface intended for traffic applications. Suitable for car parks, access roads, driveways and paths. For heavier load-bearing applications; including HGV access and crane hardstandings, Truckcell permeable plastic paving blocks should be considered.
Reinforced Grass Surfaces
Advanded Turf is a system that uses plastic mesh elements mixed with a specially selected rootzone to reinforce grass for occasional traffic, landscaped areas and amenity area usage.
Additional information
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