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Communication dans un congrès

Supportless 3D Printing of shells Adaptation of Ancient Vaulting techniques to Digital Fabrication

Abstract : 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 demonstrate that the transition from conventional construction systems to automated robotic manufacturing workflows is evident. The usage of formwork plays a crucial role in accelerating the progress of AMLS domination in construction industries. Other advantages of supportless printing have been seen in NASA's research for in-situ 3D printing of habitats on Mars. Investigations of large-scale 3d printing of concrete structures are mostly related to robotics, rheology and material mechanics. There is little research done on the application of architecture and form-finding in this field. This paper discusses solutions for supportless 3D printing of large-scale compression shells with the focus on In-situ concrete 3D printing. The aid of special form finding and robotic trajectory generation is also reverse engineered ancient brick-laying techniques recognized in international vaulting precedents lacking formwork. Finally, a strategy for the generation of robotic printing tool-path to span any convex inscribed quadrilateral based boundary with no temporary support is yielded and tested with the simulation of 1:20 (15×15 cm) scale construction practice by a "3Doodler" pro pen as extrusion head (child) and ABB IRB_120 six-axis arm as a parent.
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Communication dans un congrès
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https://hal-enpc.archives-ouvertes.fr/hal-02119439
Contributeur : Romain Boistel <>
Soumis le : jeudi 13 juin 2019 - 17:59:07
Dernière modification le : vendredi 17 juillet 2020 - 17:08:48

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  • HAL Id : hal-02119439, version 1

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Citation

Mahan Motamedi, Robin Oval, Paul Carneau, Olivier Baverel. Supportless 3D Printing of shells Adaptation of Ancient Vaulting techniques to Digital Fabrication. DiXite3dPrint : Fabrication Additive pour la Construction. Quelle Actualité Nationale ?, École des Ponts ParisTech, Jan 2019, Champs-sur-Marne, France. ⟨hal-02119439⟩

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