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25-11-2020 | Manufacturing | News | Article

Layer by Layer Towards a Printed Residential Building

Leyla Buchholz
1:30 min reading time

Europe’s largest residential building is currently being printed in Bavaria at a rate of 18 meters per minute. For this purpose, Heidelbergcement has delivered about 170 tons of printing material specially developed for concrete 3D printing. The novel building material was already used to print the first residential building in Germany.

“With this second project in Germany, we are taking the next step and show that our material is also suitable for printing larger residential units and blocks of flats,” says Dr. Jennifer Scheydt, head of the Department Engineering and Innovation at Heidelbergcement Germany. “The material is easy to pump and extrude. Moreover, it quickly develops sufficient load-bearing capacity so that the lower layers do not give out under the load of the upper layers. The bond between the layers is also ensured. At the same time, the unerring strength development of the material ensures a printed image with high form accuracy,” continues Scheydt.

The block of flats with approximately 330 m2 of living space will be the largest printed residential building in Europe upon completion. The project in Wallenhausen, Bavaria is scheduled to take six weeks of printing in total. The house is being printed by Peri with a BOD2 3D concrete printer. “For this project, our team is once again relying on Heidelbergcement as a proven and innovative partner,” says Dr. Fabian Meyer-Brötz, head of 3D Construction Printing at Peri. “Our experiences with the printing material on both construction sites are very good and we are very satisfied with the collaboration and of course the material.”

The residential building is built with a complete cellar and will offer four flats on two storeys with about 330 m2 of living space upon completion. This is not a research or demonstration project, as the flats will be rented out as normal after completion.

“The future has begun,” says Dr. Jennifer Scheydt. “The innovative material for 3D printing enables applications for all shapes and sizes. We are convinced that this new way of building will prevail in the coming years.”

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Background information for this content

2019 | Book

Mechanics of Additive and Advanced Manufacturing, Volume 8

Proceedings of the 2018 Annual Conference on Experimental and Applied Mechanics

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