... materials or composites reinforced materials, etc. Geogrid divided into plastic geogrid, geogrids, glass geogrid and glass-polyester geogrid main categories.(1) Plastic geogridPlastic earthwork ... . It is in the extruded polymer sheets (raw materials for PP or HDPE) punch, and heating purposes of directional stretch. Unidirectional ... of the soil and the load, has a significant role. biaxial geogrid