Expertise and experience in reinforced backfill applications and soil-structure interaction.

Geoquest
Geoquest

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The Environmental Product Declaration (EPD) of the Hydrotex fabric-formed concrete mattress

2025-10-23T12:06:57+00:00October 23rd, 2025|Company, Environmental, Geoquest, Group News, News, Tech Revetment, United States|

In July 2025, EPD Hub approved the Environmental Product Declaration (EPD) of our Hydrotex fabric-formed concrete, manufactured by Synthetex in Georgia, USA. This document gathers information on the environmental impact of a product according to international standards. The declaration covers the life cycle analysis for the product from cradle to gate under ISO 21930 and ISO 14025.  What is Hydrotex? Hydrotex is a [...]

VINCI Environment Day 2025

2025-10-14T12:44:07+00:00October 14th, 2025|Company, Events, Geoquest, Group News, News, Publications|

On September 22nd, Geoquest teams around the world took part in VINCI Environment Day, under the theme: “We all have a role to play!” This year, our focus was clear: integrating carbon footprint into our project offers and promoting low-carbon solutions across our activities. Each Business Unit organized workshops [...]

Erosion control at Lumut Balai

2025-09-23T08:14:41+00:00September 23rd, 2025|Geoquest, Indonesia, News, Project, PROJECTS|

In Lumut Balai, South Sumatera, Geoquest Indonesia recently completed a surface erosion control as part of the construction of a hauling road for the Geothermal Power Plant Unit-2. Spanning over 23,000 m², this project exemplifies our commitment to sustainable infrastructure and environmentally integrated solutions. Working closely with [...]

Reinforced Earth solutions on Istanbul’s Nakkaş–Başakşehir Motorway

2025-09-22T14:53:57+00:00September 9th, 2025|Geoquest, News, Project, PROJECTS, Turkey|

The Nakkaş – Başakşehir Motorway project is part of a larger infrastructure plan to enhance connectivity in the Northern Marmara region and improve the overall efficiency of Turkey’s motorway network. Once completed, the project will: Shorten travel times between Istanbul and major cities in the Aegean and Central Anatolian [...]

ArmaLynk BBA certification

2025-09-04T09:24:53+00:00September 4th, 2025|Geoquest, News|

We’re proud to announce that our ArmaLynk solution has officially received the BBA HAPAS Certification (25/H7447), marking a significant achievement in our journey to deliver high-performance, certified solutions for infrastructure and geotechnical engineering.  What is BBA HAPAS certification? The British Board of Agrément (BBA), through its Highways Authorities [...]

Building the future of rail with Reinforced Earth – Geoquest USA

2025-08-12T14:03:41+00:00August 12th, 2025|Geoquest, News, Project, PROJECTS, Railways, Retaining walls, United States|

The California’s High-Speed Rail-4 project is one of the most ambitious infrastructure initiatives in the United States. It aims to deliver a sustainable and efficient transportation solution, connecting major cities through high-speed rail. Spanning a 22-mile corridor between the Tulare/Kern County Line and Poplar Avenue, this project involves multiple [...]

Reinforced Earth solution for Horizon Oil Sands – Geoquest Canada

2025-08-05T15:00:56+00:00August 5th, 2025|Canada, Geoquest, Mining and minerals, News, Project, PROJECTS, Retaining walls|

The CNRL Horizon Oil Sands Project is located approximately 75 km northwest of Fort McMurray, Alberta. Geoquest Canada was assigned to design two Reinforced Earth walls adjacent to each crusher at the two ore preparation plants. These walls facilitate the dumping of run-of-mine ore from hauling trucks into the [...]

Geoquest South Africa supports Navachab Mine expansion

2025-07-22T13:05:06+00:00July 22nd, 2025|Geoquest, Mining and minerals, News, Project, PROJECTS, Retaining walls, South Africa|

To support the increased production capacity at Navachab Gold Mine in Namibia, a major upgrade to the primary crusher infrastructure was required. The client’s original concept featured a central cast in-situ core designed to house the crusher and its associated equipment. To optimize construction time and cost-efficiency, an alternative [...]

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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