Geoquest has been providing innovative solutions for major infrastructure projects in Australia and New Zealand since 1974.
Geoquest Australia & New Zealand specialises in reinforced backfill applications, soil-structure interaction, precast concrete solutions, advanced geosynthetics and environmental hazard protection.
Project Spotlight
Noise walls for Claisebrook Rail Depot
Geoquest supplied 70 noise walls for along Claisebrook Railcar Depot in East Perth, Western Australia to provide a noise barrier for residents.
Pilbara Ports Development Lumsden Point
Geoquest Australia designs and supplies MSE walls, precast concrete wall panels, and bridge abutments—including the first use in Western Australia of GeoStrap reinforcements.
Mechanically stablised earth walls for QLD’s mega rail project
Cross River Rail, Queensland: TerraTilt® and TerraPlus® mechanically stablised earth (MSE) walls support [...]
Latest News & Media
How Geosynthetics Are Reshaping Infrastructure
Geosynthetics are reshaping infrastructure and mining projects for reduced risk, improved outcomes and infrastructure that lasts.
FAQ – Precast Concrete Arches
Precast concrete arches are prefabricated, modular structures assembled on site to form tunnels, bridges, and crossings.
40 Years of Reinforced Earth® in New Zealand
Geoquest has strengthened New Zealand’s infrastructure for 40 years. Clyde Dam and Cromwell Gorge is a benchmark in long‑term geotechnical resilience.
WestConnex Rozelle Interchange
Rozelle Interchange was key in Sydney’s transport transformation. View the scale and engineering behind the landmark achievement.
Cairns Water Security Project
Cairns Water Security Project: design and supply of 875 m² Reinforced Earth™ TerraPlus® retaining walls —equivalent to three tennis courts.
Resilience through Turn-Key Solutions
How turn-key engineering solutions are reducing risk in a changing climate - resilience through considered geotechnical design and engineering.
