Geogrids

A geogrid is geosynthetic material used to reinforce soils and similar materials. Geogrids are commonly used to reinforce retaining walls, as well as subbases or subsoils below roads or structures. Soils pull apart under tension. Compared to soil, geogrids are strong in tension. This fact allows them to transfer forces to a larger area of soil than would otherwise be the case.

Geogrid is a category of geosynthetic material that can be used to provide the functions of: reinforcement, stabilization, and filtration.

Tensar Triaxial - TX

Tensar TriAx (TX) Geogrid has additional diagonal ribs that increase the in-plane stiffness of the product. The triangular pattern is formed into a hexagon to improve how the product absorbs the forces from traffic loading. Ribs in TriAx are designed to provide a high aspect ratio which provides better interlock with the surrounding aggregate.

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Tensar Biaxial - BX

Invented by Tensar in the late 1970s. Biaxial (BX) geogrids have square or rectangular openings, called apertures. Different types of biaxial geogrids exist on the market, but for roadbed applications, testing has consistently shown that integral geogrids made by a process known as punched and drawn perform best.

Tensar Uniaxial - UX

Tensar Uniaxial (UX) Geogrids are manufactured from select grades of high-density polyethylene (HDPE) resins that are highly oriented and are designed to resist elongation (creep) when subjected to heavy loads for long periods of time.

These geogrids are also highly resistant to installation damage as well as long-term chemical or biological degradation. In fact, Tensar UX Geogrids have shown no degradation in soils with pH levels measuring as high as 12 and can be used in both dry and wet environments. Given the inert properties of HDPE resins, they can be designed for use with a variety of backfill materials, including on-site soils and recycled concrete.

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