16. June 2023
Stuttgart
Stuttgart 21: Last cup support concreted
For SÜLZLE, Stuttgart 21 is more than just a contract. For over seven years, the group has been working on the largest project in the company’s history. With its own S21 project bending shop in Denkendorf and the synergies of various SÜLZLE divisions, the numerous challenges, especially with regard to complex bending shapes and logistics requirements, were mastered. A cooperative and trusting partnership – both within the team and with customers, partners and suppliers – made it possible to achieve the seemingly impossible. This is exemplified by the 28 impressive cup supports, all of which have been successfully concreted since 3 June 2023. The cup supports span the future through station as a unique concrete shell construction. Deutsche Bahn has thus reached an important milestone in the construction of Stuttgart 21.
The XXL construction site ‘Stuttgart 21’ can be seen in the latest report by ZDF. Among other things, you can see how the custom-made reinforcing steel from SÜLZLE Stahlpartner for the unique cup supports is precisely positioned by the ironworkers before the concrete is poured between the mesh. An impressive feat of engineering.
The following companies in the SÜLZLE Group were part of the ‘Stuttgart 21’ future project:
Facts and figures about the construction of the chalice supports:
Of the 28 chalice supports, 23 are fitted with a light eye enclosed in a hood, while four chalice supports do not have a light eye enclosed in a hood. In addition, there is a so-called special cupola in the northern part, into which various access elements (Kurt-Georg-Kiesinger-Platz exit, lifts, escalators) are integrated.
– Height of an entire cupola: up to twelve metres (plus 2.5 metres hood)
– Diameter of a cupola: around 32 metres
– Amount of reinforcing steel: 22,000 to 33,000 bars, depending on the cupola
– Amount of steel per cupola: up to 350 tonnes
– Amount of concrete per cupola: between 510 and 800 cubic metres
– Weight of a cupola: between 1,700 and 2,000 tonnes
