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Concrete repair with solidian ANTICRACK

The refurbishment of the underground car park at Reeperbahn 18 in Hamburg–Elmshorn represents a demanding rehabilitation project that clearly demonstrates how modern carbon reinforcement can economically and technically outperform conventional repair methods. The objective was the sustainable extension of the service life as well as the permanent assurance of structural load-bearing capacity and usability.

Technical Data

• Reinforcement: 2 layers of solidian ANTICRACK carbon reinforcement
• Total quantity of carbon reinforcement: approx. 8,000 m²
• Refurbishment method: Removal of damaged concrete and demolition of the corroded steel reinforcement

Cost-efficient surface rehabilitation with high performance

Thanks to the significantly improved crack width distribution achieved with solidian ANTICRACK, the cost-intensive surface protection system OS 11–14 could be replaced by the more economical OS 8 system.

The reinforcement was supplied in roll form using the solidian CARGO system. This system enabled a highly efficient installation process:

• rapid unrolling of several meters of reinforcement
• easy cutting and placement
• minimal number of reinforcement overlaps

The significantly accelerated construction progress directly resulted in an earlier reopening of the underground car park.

The self-flowing repair mortar weber.floor 4640 Outdoor RepFlow was used, featuring excellent flow properties, high early and final strengths, and outstanding resistance to mechanical and environmental influences.