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Traditionally, strengthening existing structures involves applying several centimeters of shotcrete combined with steel reinforcement. However, innovative methods—such as the use of carbon-reinforced concrete—are gaining increasing importance, offering efficient and sustainable alternatives.

In a recent project in Halle (Saale), the Ed. Züblin AG, Structural Maintenance Division, carried out the refurbishment of an underground car park using this modern technique. Carbon reinforcement not only enhances load-bearing capacity but also enables lightweight construction with long-term durability.

By applying three layers of carbon mesh, the load capacity of the parking level was significantly increased, ensuring safe use for decades to come.

Technical Details

• Project location: Halle (Saale), Germany

• Project partner & Executing company: Ed. Züblin AG, Structural Maintenance Division

• Carbon reinforcement: solidian ANTICRACK Q85-CCE-21

• Total reinforced area: approx. 60 m²

• Number of layers: 3

• Spacing between layers: 5 mm to ensure optimal force transmission

• Weight savings: approx. 100 kg/m² lighter than traditional shotcrete systems

• Embedding material: polymer-modified repair mortar

• Advantages in handling and logistics: Easy on-site storage and cutting, streamlined transportation, more efficient installation

The use of the solidian ANTICRACK Q85-CCE-21 carbon mesh showcases how advanced materials can redefine the future of structural rehabilitation—especially in demanding environments such as underground car parks.

Images: © Ed. Züblin AG