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.
Latest News & Media
Geoquest Photo Competition
Geoquest Launches Photography Competition with $2,000 Prize Pool. Framing precast and retaining in infrastructure – Capturing form, scale, and presence in context through photography
Geosynthetics Changing the Game
Geosynthetics are changing the game for infrastructure delivery. Pioneers like Geoquest are taking the lead in the application of these components, creating new project possibilities.
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.
Project Spotlight
TechSpan and MSE walls for complex road project
Concrete Arch with Seismic Design, Reinforced Earth® MSE Walls and Eleven Bridge Abutments Completed in [...]
Pile caps and traffic barriers for Windsor Bridge
Precast concrete pile caps and traffic barriers manufactured for the Windsor Bridge Replacement Project in New South Wales.
Wildlife Bridge in Ellenbrook
A 12-meter-wide bridge north of Ellenbrook in Western Australia, connects bushland known to house abundant wildlife utlising Reinforced Earth walls and precast concrete elements for bridge abutments and retaining walls.
