CumInCAD is a Cumulative Index about publications in Computer Aided Architectural Design
supported by the sibling associations ACADIA, CAADRIA, eCAADe, SIGraDi, ASCAAD and CAAD futures

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id caadria2023_73
authors Awaji, Hiroki, Hayashi, Sei and Gondo, Tomoyuki
year 2023
title Construction of a Free-Form Pavilion Using On-Site Plywood Bending With the Development of Fabrication Tools
doi https://doi.org/10.52842/conf.caadria.2023.2.099
source Immanuel Koh, Dagmar Reinhardt, Mohammed Makki, Mona Khakhar, Nic Bao (eds.), HUMAN-CENTRIC - Proceedings of the 28th CAADRIA Conference, Ahmedabad, 18-24 March 2023, pp. 99–108
summary Buildings with complex shapes are increasingly being constructed using digital fabrication tools. However, many building components nevertheless require specialised skills for their assembly at the construction site, even if the manufacturing has been streamlined. In this study, by practising an agile design process that repeats the method of ‘Add-on the tool’ and ‘feedback on form and material, we devised a construction method that allows unskilled workers to be involved in the fabrication of pavilions and the creation of complex curved surfaces without requiring special skills, so long as the rules of assembly are determined. In this study, a method of achieving large curvatures using wire bending of Y-shaped wooden units made of 4-mm thick lauan veneer boards was proposed, in which large curvatures were used to design two-dimensionally curved surfaces with continuous wavy shapes. This method was also used to control the force applied to the wires by controlling their lengths. The free curved surface with the elastic bending of the plywood allowed a height of 2.3 m and a span of 6 m.
keywords Add-on the tools, Agile development, Large-span Structure, Active Bending, Plywood, Curvature, Fabrication Tools
series CAADRIA
email sei@arch1.t.u-tokyo.ac.jp
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100%; open Buchli, J., Giftthaler, M., Kumar, N., Lussi, M., Sandy, T., Dorfler, K., & Hack, N. (2018) Find in CUMINCAD Digital in Situ Fabrication-challenges and Opportunities for Robotic in Situ Fabrication in Architecture, Construction, and Beyond , Cement and Concrete Research 112, 66-75. Available at: https://doi.org/1.116/j.cemconres.218.5.13.

100%; open Carpo, M. (2011) Find in CUMINCAD The Alphabet and the Algorithm , MIT Press

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100%; open Ghang, L. & Kim, S. (2012) Find in CUMINCAD Case Study of Mass Customization of Double-curved Metal FaŤade Panels Using a New Hybrid Sheet Metal Processing Technique , Journal of Construction Engineering and Management 138(11), 1322-133. Available at: https://doi.org/1.161/(ASCE)CO.1943-7862.55

100%; open Krieg, O. D., Schwinn, T., Menges, A., Li, J. M., Knippers, J., Schmitt, A., & Schwieger, V. (2015) Find in CUMINCAD Biomimetic Lightweight Timber Plate Shells: Computational Integration of Robotic Fabrication, Architectural Geometry and Structural Design , Advances architectural geometry 214. (pp. 19-125). Springer, Cham. Available at: https://doi.org/1.17/978-3-319-11418-78.

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