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Structural strengthening

With Foreva® solutions and turnkey service, we improve the performance of your assets in terms of structural safety, ease of maintenance and durability.

Tunnels and culverts

Repair solutions per type of structure

Channel Tunnel concrete repairs

Mobilisation on a momentous scale paved the way to an early finish on the extensive concrete repairs needed to put the Channel Tunnel back into operation after a devastating fire.

Baker-Barry Tunnel

Renovation of an historic tunnel in the USA demanded a balance between improving its condition, and retaining unique features; Freyssinet worked with the owner to find the right solution.

Barbazan culvert reinforcement using UHPFRC

A specially developed mix and custom-designed equipment now allow ultra-high-performance fibre-reinforced concrete to be spray-applied, opening up a world of possibilities for this durable material.

Dry shotcrete

With over 60 years' experience in the strengthening of concrete and masonry structures using the dry shotcrete technique, Freyssinet offers the guarantee of a turnkey service with the dry shotcrete solution.

Additional prestressing

The installation of prestressing tendons on an existing structure requires skills not only in prestressing work but also in structural repair. With more than 60-year experience in the strengthening of structures using additional prestressing, Freyssinet offers the guaranty of a turnkey service.

Ultra High-Performance Fiber-Reinforced Concrete (UHPFRC)

We accompany you from design to implementation by developing for you an innovative solution, specifying UHPC performances adapted for your project and checking with you the feasibility and economy of the solution.

Vendôme station tunnel installed by Autoripage

Creation of a pedestrian tunnel under the railway tracks of the Vendôme metro station in Montreal by Autoripage.