USE OF RECYCLED CONCRETE FOR STADIUM MODERNISATION
REALISATION
The VfB Stuttgart stadium is a good example of how the ecological footprint can also be reduced when building or modernising sports facilities. For example, recycled concrete was used in the rebuilding of the arena – the construction waste (concrete) resulting from the demolition of parts of the building was reprocessed in the immediate vicinity and turned into new concrete. This was then used in the construction work, closing the cycle and conserving natural building materials.
The rubble resulting from the demolition was processed at the nearby Stuttgart docks, resulting in short transport routes. A total of around 3,500 m3 of concrete rubble from the Stuttgart stadium was reused as recycled concrete. Around 10,000 m3 of recycled concrete and 4,500 m3 of conventional concrete went into the construction of the new grandstand. Clinker-reduced cement was also used which resulted in a greenhouse gas (GHG) reduction of around 800 tonnes of CO2 compared to conventional concrete.
BACKGROUND
In sport, there are some positive examples in the context of the circular economy, such as drinks bottles made from recycled plastic or jerseys produced from recycled materials. In the construction sector, on the other hand, there are fewer examples to date. VfB Stuttgart provides one such example: The club reduced its ecological footprint when modernising its stadium by reprocessing and reusing the construction waste generated during the demolition of old parts of the building.
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CHALLENGES
- Recycled concrete was also used for structurally demanding areas.
- There are special requirements due to possible groundwater contact, which is why the approval of the State Office for Building Technology was required for an authorization.
- Early decision to use recycled concrete and CO2-reduced concrete so as to ensure that all contractors take this into account as early as the planning and tendering phase.
You can find further informations here.
Contact:
Kontakt: Eberhard Becker,
Dipl.-Ing. Architekt; Geschäftsführender Gesellschafter asp Architekten GmbH,
eberhard.becker@asp-architekten.de
This example of good practice was identified and developed as part of the Circular EURO project (on behalf of the BMUV).