The use of Geogrids in highway construction in NSW

Since 1990, the RTA has constructed several projects using geosynthetic grids. The spectrum of high strength geogrids has included slope remediation, reinforced soil retaining walls, and pavement rehabilitation. Geogrid reinforced soil structures have been used to directly support bridge surcharge loads, and offer a cost effective practical solution to road formations in widening of highways where road easements are restrictive.