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Published in:
2022 | OriginalPaper | Chapter
Core Winding: Force-Flow Oriented Fibre Reinforcement in Additive Manufacturing with Concrete
Authors : Stefan Gantner, Philipp Rennen, Tom Rothe, Christian Hühne, Norman Hack
Published in: Third RILEM International Conference on Concrete and Digital Fabrication
Publisher: Springer International Publishing
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Abstract
In this paper we present a novel reinforcement method for concrete 3D printed elements using fibre winding. This technique, termed Core Winding Reinforcement (CWR), allows for force-flow oriented alignment of fibre reinforcement along the part’s faces. It has been tested in combination with Shotcrete 3D Printing (SC3DP), but is suitable for both, material extrusion and material jetting. The paper describes the fully automated design-to-fabrication workflow for a 1:1 demonstrator using SC3DP: First, the stress distribution of a given wall geometry is analysed digitally, second, the core is printed, third, the reinforcement fibre is wound and fixed onto the core, fourth, it is embedded by applying a cover layer of shotcrete, and finally, the surface is trowelled in an automated manner.