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New construction of the Sächsische Aufbaubank (SAB)

Leipzig, Germany

Highly elaborate customised formwork can be manufactured much more efficiently by making use of new technologies. This was demonstrated very effectively in a pilot project during the construction of the headquarters of the Sächsische Aufbau-bank (SAB) in Leipzig. In cooperation with voxeljet AG, a supplier of 3D printing systems for industrial use, Doka realised a 3D-printed formwork shell for a fair-faced concrete staircase with unusual geometry.

Challenge:
A semi-spiral staircase with an inter-mediate landing. 40 % of the staircase leans against a wall and the rest is self-supporting. Moreover, the surface of the interior was to be executed in fair-faced concrete.

Solution:
All the seven formwork sections were planned virtually. Based on this specification, voxeljet manufactured highly accurate high-quality formwork shell sections with a wall thickness of only 21 mm, including drilling and plug connectors for the combination with Doka standard formwork. The result: considerable time savings and a flawless concrete surface.

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Aufbaubank
Aufbaubank
Aufbaubank

Project data

Year of completion
2019
Project duration
2017 - 2019
Country
Germany
City
Leipzig
Contractors
Sächsische Aufbaubank (SAB)