Geogrids are specialized geosynthetics widely used in the civil engineering projects to stabilize and reinforce soil, especially steep slopes of embankments. They are made of various polymers and may be welded from strips, extruded, woven or knitted from yarns. Geogrids are characterized by a tensile strength from 20 to 400 kN/m. They guarantee a significant increase in ground bearing capacity. They can be designed for up to a 120-year service life, and they are resistant to chemical and biological corrosion.
Geogrids can also be used as a part of geocomposites in combination with non-woven geotextile: the former reinforces the soil, while the latter separates and filtrates it. Choosing such a solution saves installation costs and makes it more efficient for soft soils.
Geogrids can be built on steep slopes and retaining walls, at a cost significantly lower than a traditional concrete gravity wall. Geogrids also reduce the need for big quantities of aggregate in construction, which makes them an economical solution.
Installation consists of laying the geogrid rolls on the prepared soil and does not require any heavy equipment. It can be done in various weather conditions.
We offer geogrids with high stiffness, which is important for soil stabilization to generate the required lateral restraint. Thanks to the ability to distribute load evenly, geogrids considerably reduce the amount of wheel ruts, even in extremely unfavourable soil conditions.
The materials of geogrids do not extract any dangerous substances into the surrounding environment. Geogrids allow to minimize the amount of aggregate and cement in the capping layer of a road pavement. This results in less production impact and a lower CO2-footprint than conventional methods, as well as less initial transport emissions, and less need to repair and maintain surfaces in the future.
We use geogrids that are highly resistant to installation damage, which is very important to withstand the forces during the soil compaction. Their expected service life is more than 100 years.
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As opposed to CON/SPAN, they are made of steel and not concrete so they are more ecological. Also, they are not applicable for buried solutions. Comparing to other steel structures (UltraCor, SuperCor), they are faster and easier to assemble as the parts are completely prefabricated. However, they cannot be as wide as other structures, with a maximum width of roughly 11 m.
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