Shape-Env: Camera-enhanced robotic terrain-shaping for complex 3D concrete printing

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Abstract

Accounting for over 40% of global waste, the construction industry needs innovative approaches to reduce its environmental impact. Excavation soil is currently considered waste and disposed of in landfills, accounting for about five times household waste and being the most significant source by volume. However, 80% of the extracted soil from construction sites is estimated to be uncontaminated and could be reused. In parallel, 3D printing of concrete structures with non-standard geometry is still limited by complicated processes, which are challenging to upscale and be used for on-site construction scenarios. This project proactively explores terrain as a resource for automated construction, specifically using unprocessed soil as a reconfigurable moulding material for on-site 3D printing of geometrically complex concrete elements. To do so, a novel robotic process was developed and tested in a laboratory environment, combining high-precision robotic earthwork and 3D printing aided by camera vision to account for the unpredictable behaviour of soil with unknown composition and properties. The method was tested on a proof-of-concept experiment where concrete shell panels of topological complexity were successfully realised, extending the available design space for large-scale 3DCP with a reconfigurable, sustainable and low-cost approach.

OriginalsprogEngelsk
TitelDigital Design Reconsidered : Proceedings of the 41st Conference on Education and Research in Computer Aided Architectural Design in Europe (eCAADe 2023)
RedaktørerWolfgang Dokonal, Urs Hirschberg, Gabriel Wurzer, Gabriel Wurzer
Vol/bind1
ForlagEducation and research in Computer Aided Architectural Design in Europe
Publikationsdatosep. 2023
Sider539-548
ISBN (Trykt)9789491207341
DOI
StatusUdgivet - sep. 2023
Begivenhed41st Conference on Education and Research in Computer Aided Architectural Design in Europe, eCAADe 2023 - Graz, Østrig
Varighed: 20. sep. 202322. sep. 2023

Konference

Konference41st Conference on Education and Research in Computer Aided Architectural Design in Europe, eCAADe 2023
Land/OmrådeØstrig
ByGraz
Periode20/09/202322/09/2023
NavnProceedings of the International Conference on Education and Research in Computer Aided Architectural Design in Europe
Vol/bind1
ISSN2684-1843

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