Bridge scour protection in Metz, France

As part of the work to protect the Pont de Fer in the Département de la Moselle (France), the Groupe SNCF has implemented innovative measures to prevent scouring of bridge piers, an erosion phenomenon that weakens railway infrastructure and compromises its durability.

To meet this challenge, SAS ROMOEUF has deployed a complementary solution combining two high-performance technologies:

• AquaRockBag®, The stone-filled nets: a flexible, robust solution that adapts perfectly to ground irregularities and complex hydrodynamic flows. Their structure effectively dissipates vortex energy around the piles and speeds up deployment, outperforming heavier techniques such as large gabions or riprap.
• Maccaferri’s rigid gabions: a robust structure that, combined with AquaRockBag®, enhances adaptability and stability, ensuring lasting protection and meeting the expectations of many customers looking for reliable, long-lasting solutions.

The benefits of this complementary approach:

• Flexibility and adaptability: AquaRockBag® naturally integrates with variations in the terrain and harmonises with aquatic dynamics.

Stability and reinforcement: The Maccaferri’s rigid gabions consolidate the overall structure for optimum protection.