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Additive Manufacturing by Extrusion of Lightweight Concrete (2020-07)

Strand Geometry, Nozzle Design and Layer Layout

10.1007/978-3-030-49916-7_88

 Henke Klaudius,  Talke Daniel,  Matthäus Carla
Contribution - Proceedings of the 2nd RILEM International Conference on Concrete and Digital Fabrication, pp. 906-915

Abstract

In additive manufacturing by concrete extrusion, objects are built up by depositing strands of fresh concrete. The form and size of the strands as well as the order in which they are arranged are decisive parameters for the properties of the resulting construction element. Extrusion of lightweight concrete can be used as a method to construct monolithic structural building elements with an optimized thermal insulation. They may have zones of different functionality and can be augmented by voids to house building technology. This paper discusses the possibilities and limitations in the design of appropriate strand structures and gives recommendations on how strand geometry, nozzle design and layer layout have to be chosen to obtain the desired results.

2 References

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13 Citations

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    Thermal Enhancement of Hollow-Core 3DP Through Nozzle Design Customization
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    Life Cycle Assessment of Ultra-Tall Wind Turbine Towers Comparing Concrete Additive Manufacturing to Conventional Manufacturing
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BibTeX 
@inproceedings{henk_talk_matt.2020.AMbEoLC,
  author            = "Klaudius Henke and Daniel Talke and Carla Irmgard Ingeborg Matthäus",
  title             = "Additive Manufacturing by Extrusion of Lightweight Concrete: Strand Geometry, Nozzle Design and Layer Layout",
  doi               = "10.1007/978-3-030-49916-7_88",
  year              = "2020",
  volume            = "28",
  pages             = "906--915",
  booktitle         = "Proceedings of the 2nd RILEM International Conference on Concrete and Digital Fabrication: Digital Concrete 2020",
  editor            = "Freek Paul Bos and Sandra Simaria de Oliveira Lucas and Robert Johannes Maria Wolfs and Theo A. M. Salet",
}
Formatted Citation

K. Henke, D. Talke and C. I. I. Matthäus, “Additive Manufacturing by Extrusion of Lightweight Concrete: Strand Geometry, Nozzle Design and Layer Layout”, in Proceedings of the 2nd RILEM International Conference on Concrete and Digital Fabrication: Digital Concrete 2020, 2020, vol. 28, pp. 906–915. doi: 10.1007/978-3-030-49916-7_88.

Henke, Klaudius, Daniel Talke, and Carla Irmgard Ingeborg Matthäus. “Additive Manufacturing by Extrusion of Lightweight Concrete: Strand Geometry, Nozzle Design and Layer Layout”. In Proceedings of the 2nd RILEM International Conference on Concrete and Digital Fabrication: Digital Concrete 2020, edited by Freek Paul Bos, Sandra Simaria de Oliveira Lucas, Robert Johannes Maria Wolfs, and Theo A. M. Salet, 28:906–15, 2020. https://doi.org/10.1007/978-3-030-49916-7_88.