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Communication Dans Un Congrès Année : 2020

Supportless 3D Printing of Shells: Adaptation of Ancient Vaulting Techniques to Digital Fabrication

Impression 3D sans support de coques : Adaptation des techniques de voûtement anciennes à la fabrication numérique

Mahan Motamedi
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Robin Oval
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Paul Carneau

Résumé

With the improvement of the 3D printing industry, the interest in additive manufacturing of large-scale structures (AMLS) is rapidly increasing. Recent attempts of seeking solutions for 3D printing of large-scale buildings is the embodiment of the transition from current construction systems to automated robotic manufacturing workflows. The usage of formwork plays a crucial role in accelerating the progress of AMLS implementation in construction industries. Investigations of large-scale 3D printing of concrete structures are mostly related to robotics, material rheology and mechanics. Additionally, design and construction strategies for AMLS must be investigated for applications in architecture. This paper discusses solutions for supportless 3D printing of large-scale compression shells. The aid of special vault geometry and robotic trajectory generation comes from reverse engineering of ancient brick-laying techniques from worldwide-recognised vaulting precedents lacking formwork. Finally, strategies for the generation of robotic printing tool-path to span boundaries with variety of configurations with no temporary support is yielded and tested with the simulation of 1:20 scale construction practice by a “3Doodler” Pro pen as extrusion head (child) and ABB IRB 120 six-axis arm (parent).
Motamedi et al. - 2020 - Supportless 3D Printing of Shells Adaptation of A.pdf (13.29 Mo) Télécharger le fichier

Dates et versions

hal-04584347 , version 1 (23-05-2024)

Identifiants

Citer

Mahan Motamedi, Robin Oval, Paul Carneau, Olivier Baverel. Supportless 3D Printing of Shells: Adaptation of Ancient Vaulting Techniques to Digital Fabrication. Design Modelling Symposium, Berlin 2019, University of Kassel, Sep 2019, Berlin, Germany. pp.714-726, ⟨10.1007/978-3-030-29829-6_55⟩. ⟨hal-04584347⟩
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