Precast concrete elements for Vienna’s Allianz Stadium

Opened in 2016, Vienna's Allianz Stadion accommodates over 28,000 spectators.
Concrete admixtures from Master Builders Solutions were used for the pre-fabricated concrete components of the nine kilometres of grandstands. This project called for a self-compacting concrete with high segregation resistance. For this reason, the experts from Applications Technology optimized the concrete formulation with MasterGlenium ACE 430. This concrete admixture promotes the fine dispersion of the cement and is, therefore, suitable for the production of self-compacting concrete.
Appearance played a vital role in constructing the grandstands, requiring uniform colouring and surfaces free from air inclusions and pores. These goals were met using MasterFinish DF 370, a product that functions as a "de-aerator" during concrete mixing and placing, preventing air bubbles on the shuttered surfaces. Consequently, it enabled the creation of exposed surfaces without pores.
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