GEOGRIDS
For over 30 years, geogrids have reinforced and strengthened soils, enabling the soil to perform better than it would in its unreinforced state, accommodating greater loads, standing at steeper angles and reducing settlement.
Maccaferri offers a wide range of geogrids in various polymers, configurations, and strengths to maximize project opportunities.
MONOAXIAL GEOGRIDS
Geogrids are used mostly for reinforcement purposes being their peculiar structure able to provide the necessary strength to reinforce the filling material.
Monoaxial type are characterized by having a main tensile strength, normally in the MD direction, where the CMD performances are reduced to minimum as requested by the manufacturing geogrid technology.
Paragrid™ HF
Similar to ParaGrid as structure but mostly used in combination with Terramesh units as primary reinforcement. Their strength varies from 90 to 250 kN/m and can be used in any soil including aggressive ones characterized by high values of ph
Paragrid™
High tenacity core with a thick PE coating with strength from 30 to 200 kN/m to be used in standard soil reinforcement applications (mostly retaining structures) in any soil including aggressive ones characterized by high values of ph
Paragrid™ W
An enhanced high performance knitted geogrid characterized by a very high modulus and the lowest reduction factors. Designed for standard soil reinforcement application with a specific focus on segmental wall applications. This family is suitable for use with standard soils characterized by 4</=ph</=9Â
Paralink™
Again a strip based structure mostly used in basal reinforcement applications (but not exclusively) as piled embankment foundations, sink holes application or foundation on soft soils. Their strength varies from 300 to 1600 kN/m and can be used in any soil including aggressive ones characterized by high values of ph
Paradrain™
Similar to ParaGrid but with a draining capacity in the MD direction obtained by shaping the strips with a channel profile closed by a geotextile filter. This unique composite is designed to be used with very thin or cohesive soils in very demanding geotechnical situations.
BIAXIAL GEOGRIDS
Biaxial geogrids are used mostly for reinforcement purposes in soil stabilization applications their symmetric-multiaxial structure can increase the bearing capacity of the existing subsoil providing the necessary strength and confinement effect. The tensile strength and the geometry of these geogrids are normally symmetric with tensile strengths from 20 to 300 (or even more) kN/m but three or more axis versions are available; also the polymer and the opening shapes can vary according to the tensile requirements and the fill properties.
MacGrid EG
Extruded polypropylene geogrids with a symmetric tensile strength of up to 50 kN/m; successfully used in single or multiple layers for many decades in soil stabilization applications is an essential component of many combo-solving solutions.
MacGrid EG-T
Again an extruded polypropylene geogrid but characterized by a triangular shape to have a multi-axial behaviour. These materials are used – as the MG EG – in the same type of applications and are supposed to be an evolution of the biaxial ones.
MacGrid WG-S
High tenacity PET knitted-weaved coated geogrids are also available and used in these types of applications especially when the tensile strength requested exceeds the capacity offered by the extruded ranges; these products are available up to standard symmetric strength of 300kN/m but – on demand – can be proposed up to 1000 kN/m.
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