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
MSE Retaining Walls Sydney Gateway
Sydney Gateway revolutionises connectivity in NSW. The project provides a toll-free connection from the St Peters Interchange, improving journey times to Sydney Airport, the M5 and the Eastern Distributor.
Chaffey Dam, NSW: Reinforced Earth® for Upgrade
Chaffey Dam, Australia: Reinforced Earth® Walls to Double Capacity, Increase Safety Standards [...]
TerraTilt® reinforces $150 million Perth road infrastructure development
TerraTilt® precast concrete walls reinforce $150 million Main Roads WA Leach Highway Road infrastructure development.
