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3D Concrete PrintingTechnology potential from a Circular Economy perspective
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What is 3D Concrete Printing (3DCP)?
What are the latest large-scale applications?
How does it relate to Circular Economy?
Is it ready for the market (and vice-versa)?
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What is 3D Concrete Printing?
3DCP refers to the process used to synthesize a 3D model in successive layers of material to create an object, e.g. a concrete wall
Source: 3DCP facade panel, 3DUp (2018) https://bit.ly/2GlEu5ISource: 3D-Betonprint, Teknologisk Institut (2018) https://bit.ly/2DU4l36
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Design-to-fabrication: from 3D Model to Optimised Concrete Products
Lightweight facade panel
Source: 3DCP Workshop, 3DUp (2018) https://bit.ly/2MOzeIY
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What are the latest large-scale applications?
3DHousing05, by CyBe (2018)
BOD, by COBOD Int. (2018)
Bicycle bridge, by BAM Infra - TU/e (2017)
Source: 3D-Beton print, Teknologisk Institut (2018) https://bit.ly/2DU4l36
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Source: R. Buswell, W.R. Leal da Silva, S.Z. Jones, J.Dirrenberger. 3D printing using concrete extrusion: A roadmap for research. Cem. Concr. Res. 112(-):37-49, 2018
3DCP projects and applications over the past 20 years….
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How does it relate to Circular Economy?
3DCP has the potential to enable the mass production of
▪ functionally-graded materials,
▪ elements designed for dissasembly,
▪ multi-material building components, and
▪ optimised structures with low-embodied energy…
… in a more sustainable and cost-efficient manner vs. current methods.
S. Keating, MIT Media Lab
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F
-30%
-40%
-50%
100%
Case study: Topology optimised structures (50% mass reduction)
Source: 3D-Beton print, Teknologisk Institut (2018) https://bit.ly/2DU4l36
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Is it ready for the market and vice-versa?
Technological challenges:
Non-technological barriers:
▪ True design-to-fabrication framework
▪ Increase reliability and robustness
▪ Reinforcement strategies
▪ Building standards
▪ Market acceptance
Source: R. Buswell, W.R. Leal da Silva, S.Z. Jones, J.Dirrenberger. 3D printing using concrete extrusion: A roadmap for research. Cem. Concr. Res. 112(-):37-49, 2018
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For more information, please check: https://www.teknologisk.dk/ydelser/naeste-generation-3d-betonprint-skaber-nye-muligheder-i-byggeriet/40020
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Thank you for your attention
Wilson R. Leal da Silva, PhD.
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