Strenghtening against shear punching in commercial building on Bahnhofstrasse, Zurich
Description
Due to increased loads and new requirements in the standards, small deficits with regard to shear punching had to be strengthened in a commercial building on Bahnhofstrasse in Zurich.
re-bars were used to supplement the existing steel reinforcement. In the critical areas, the concrete was roughened to apply a new mortar layer. The re-bar system with end hooks was used to achieve a robust, pre-stressed solution. Thanks to the active load-bearing reinforcement, no additional deformation of the concrete slab is necessary to tension the bars (less cracks and relief for the internal reinforcement).
Products
memory-steel re-bar 16, grouting mortar SikaGrout®-314 N
Year
2023
Contractor
Marti AG /Renesco Bautenschutz
Info
Shear punching
Engineering consultant
Ruggli & Partner Bauingenieure AG