3D printing: Prefabricated concrete ­components from the printer

Producing individual parts or small batches by 3D printing saves time, formwork and warehousing costs. How far advanced is this additive production technology, how can it be used in the construction and prefabricated components sector and what are its current limits?

Additive production processes have been employed in aircraft, automotive or mechanical engineering, in dental or medical technology for many years, especially in prototype production. Increasingly better and faster 3D printing technologies, which along with diverse plastic materials can also process metal, ceramics, concrete and other materials, sometimes also combined with one another, broaden the spectrum of use and also streamline the production of individual parts or small batches, in particular in concrete construction. With continually declining hardware prices and more and more perfect...

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