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Published in:
2022 | OriginalPaper | Chapter
Zero-Waste Production of Lightweight Concrete Structures with Water-Soluble Sand Formwork
Authors : Daria Kovaleva, Maximilian Nistler, Alexander Verl, Lucio Blandini, Werner Sobek
Published in: Third RILEM International Conference on Concrete and Digital Fabrication
Publisher: Springer International Publishing
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Abstract
In the face of climate change and resource crisis, the construction industry can contribute to sustainable economic development by reducing its material consumption, emissions and waste. The application of lightweight construction principles in combination with circular production processes offers a comprehensive approach to this problem. The newly developed zero-waste formwork production method, based on the additive manufacturing of water-soluble sand mixture, enables to produce geometrically complex concrete structures and to reuse formwork material repeatedly in production cycles. This paper demonstrates the potential of this method for the production of the topologically optimised concrete single-span beam with spatial lattice structure (Fig. 1). First, a brief overview of the method will be given, followed then by a description of the design and production of the concrete component under the consideration of production parameters.