Lub geogrid yog cov khoom siv geosynthetic siv los txhawb cov av thiab cov khoom zoo sib xws. Lub luag haujlwm tseem ceeb ntawm geogrids yog rau kev txhawb nqa. Rau 30 xyoo biaxial geogrids tau siv nyob rau hauv kev tsim kho ntawm pavement thiab av stabilization tej yaam num thoob plaws lub ntiaj teb no. Geogrids feem ntau yog siv los txhawb nqa cov phab ntsa, nrog rau cov subbases lossis subsoils hauv qab txoj kev lossis cov qauv. Av rub sib nrug los ntawm kev nro. Piv nrog rau cov av, geogrids muaj zog nyob rau hauv nro.