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Maccaferri® gabion basket is constructed from a double-twisted "DT" steel wire mesh which is interconnected with similar units to form flexible, permeable and monolithic structures such as mass gravity retaining walls, channel linings, revetments and weirs for hydraulic and erosion control projects.
The gabion baskets are site assembled and packed with locally quarried or imported rock which is carefully hand-placed along all exposed faces of the baskets to ensure the best aesthetic earth retaining structure.
PoliMac® polymer coating is applied for gabions that are to used in more aggressive environments, or where a longer design life is required to offer greater resistance to abrasion, chemical aggressions, UV rays and performance in cold weather.
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WHY CHOOSE MACCAFERRI DT GABION BASKET?
- GalMac® & GalMac G10 coatings provide up to 5x greater durability compared to standard galvanised mesh
- PoliMac polymer coating provides up to 10x greater resistance to abrasion, 2x resistance to chemicals and 4x resistance to UV rays compared to traditional PVC coated wire mesh products
- Flexible and reliable, accommodating large settlements without structural impact
- Enhances biodiversity and vegetation growth by trapping sediment and seed, aiding CO2 sequestration
- Reduces carbon emissions by up to 10x compared to concrete walls
- A cost-effective alternative to various wall systems such as mass gravity boulder walls, grouted rock walls and mass concrete block walls by reducing the amount of material required for construction
- Can be constructed up to 5-10 metres in height with flexible face options
- Independently verified and tested with BBA-HAPAS certification
- Supported with design assistance using Maccaferri GAWAC 3.0 software available to download here
- Supported by specialised installation tools available for hire, such as pneumatic lacing tools, or you can purchase "C" rings, lacing wire, and preformed bracing wires, which can significantly reduce assembly time by up to 50%
Our recommended specialist gabion installers can construct sample units on-site before works begin to ensure products are installed as per our guidelines.
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FUNCTION
Erosion & Sediment Control
The use of a geosynthetic to prevent soil or other particle movements on the surface slope. Acts to reduce soil erosion caused by wind forces, rainfall impact and surface water runoff. The use of geosynthetics in erosion control is to maintain soil cover either as a temporary measure offering protection from soil loss whilst vegetation is established or as a permanent control measure, typically on steeper slopes or high-water velocity situations.
Reinforcement
Geosynthetics provides additional strength to soils and aggregate. Used to reinforce steep slopes, and to stabilise road or rail construction over weak and variable soils. Enables embankments to be constructed over very soft foundations and to build slopes at steeper angles than would be possible with unreinforced soil. Geosynthetics (or geogrids) are also used to bridge over voids that may develop below load bearing granular layers (roads and railways) or below cover systems in landfill applications.
Retaining
Geosynthetic or geogrid acts to support soil laterally so that the structure can be retained at different levels on the two sides. Retain (holds back) any material (usually earth) and prevents it from sliding or eroding away. Gravity retaining and reinforced soil retaining walls are designed to resist the material pressure of the material that it is holding back.
