Geoquest
Geoquest

Tunnels and underground structures

Tunnels

2026-08-10T14:03:35+00:00

Geoquest offers engineered solutions for tunnels and underground structure applications.

Geoquest

Geoquest has forged an unrivalled level of expertise and experience in reinforced backfill applications and soil-structure interaction. Our technical solutions are defined by four functions corresponding to the purpose of the structure to be designed: RETAIN, CROSS, PROTECT, STRENGTHEN.

Over the last 60 years, Geoquest has been setting the gold standard in reinforced earth structures and has played an active role in over 100,000 projects around the world.

Our solutions

Our sectors

Soletanche Freyssinet is the world leader in soil, structures and nuclear engineering. The Group brings together unrivalled expertise in construction and engineering. Soletanche Bachy, Menard, Geoquest, Freyssinet, Nuvia and Sixense put their technical excellence at the service of their customers and the performance of their structures.

Find out more about Soletanche Freyssinet

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