Geogrid is a polymeric material made up of many polymers like polyethylene, polyvinyl alcohol polypropylene etc. It is one of the most important inventions in geo synthetics which is used as a reinforcing material. They formed by joining intersecting ribs. They have large open spaces in between the ribs known as “apertures”.
Geogrids can be classified in to two layers based on the stress transfer or direction of stretching during manufacture as –
1. Uniaxial Geogrid – It is stretched only along longitudinal direction. Thus the stress is transferred only along that axis; even the tensile strength is more in longitudinal direction compared to transverse direction.
2. Biaxial Geogrid – It is stretched along two directions (longitudinal and transverse), thus the stress is equally distributed along both directions.
|Geogrid Features:||Geogrid Application:|
|Promotes soil stabilization.||Road Construction, Rail tracks and air fields.|
|Have a higher load bearing capacity.||Area stabilization.|
|Geogrids are flexible in nature and are well known for their versatility.||Load transfer platforms.|
|Geogrids have high durability which reduces maintenance cost||Ground Reinforcement.|
|Highly resistant to environmental influences.|
|They are easy to install which results in faster construction.|