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supported by the sibling associations ACADIA, CAADRIA, eCAADe, SIGraDi, ASCAAD and CAAD futures

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id acadia18_358
authors Lara Ditzel, Patricio; Balas, Leonard; Kalina, Olga; Vasey, Lauren; Bechert, Simon; Krieg ,Oliver David; Menges, Achim; Knippers, Jan
year 2018
title Integrative Fabrication of Sandwich Shells. An integrative approach to design of robotically fabricated wood- based sandwich segmented shells
source ACADIA // 2018: Recalibration. On imprecisionand infidelity. [Proceedings of the 38th Annual Conference of the Association for Computer Aided Design in Architecture (ACADIA) ISBN 978-0-692-17729-7] Mexico City, Mexico 18-20 October, 2018, pp. 358-365
summary This paper presents the development of an integrative and adaptive robotic fabrication process for the production of wooden-based segmented shells of variable thickness. A material and construction process is presented whereby an industrial robot with a two-degree of freedom end-effector acts as active form-work, positioning flexible strips of plywood so they can be assembled into a structurally performative configuration and then filled with a polyurethane expandable foam. The resulting material system is a structurally performative and doubly curved sandwich composite which performs well in bending. This paper discusses the construction process and the material system, methods for structural analysis, an adaptive robotic fabrication process, as well as a computational design tool which integrates material constraints, robotic constraints, and structural performance. The resulting construction system expands the design possibilities for robotic fabrication in wood, particularly as a viable material system for implementation directly in an on-site condition.
keywords work in progress, fabrication & robotics, materials & adaptive systems
series ACADIA
type paper
email laraditzel@gmail.com
full text file.pdf (5,348,674 bytes)
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100%; open Bechert, Simon, Jan Knippers, Oliver D. Krieg, Achim Menges, Tobias Schwinn, and Daniel Sonntag (2016) Find in CUMINCAD Textile Fabrication Techniques for Timber Shells: Elastic Bending of Custom-Laminated Veneer for Segmented Shell Construction Systems. , Advances in Architectural Geometry 2016 Construction Systems, edited by S. Adriaenssens, F. Gramazio, M. Kohler, A. Menges, and M. Pauly, 154–69. Zurich: vdf Hochschulverlag AG

100%; open Brütting, Jan (2016) Find in CUMINCAD Bending-Actve Segmented Shells , Master’s thesis, University of Stuttgart

100%; open Gibson, Lorna J., and Michael F. Ashby (1997) Find in CUMINCAD Cellular Solids: Structure and Properties, 2nd ed. , Cambridge, UK: Cambridge University Press

100%; open La Magna, Riccardo (2017) Find in CUMINCAD Bending Active Plates: Strategies for the Induction of Curvature through the Means of Elastic Bending of Plate-based Structures , PhD diss., University of Stuttgart

100%; open Lienhard, Julian (2014) Find in CUMINCAD Bending-active Structures: Form-Finding Strategies using Elastic Deformation in Static and Kinetic Systems and the Structural Potentials Therein , PhD diss., University of Stuttgart

100%; open Schleicher, Simon, Riccardo La Magna, and Joshua Zabel (2017) Find in CUMINCAD Bending-active Sandwich Shells: Studio One Research Pavilion 2017 , Disciplines & Disruption: Proceedings of the 37th Annual Conference of the Association for Computer Aided Design in Architecture, edited by Takehiko Nagakura, Skylar Tibbits, Mariana Ibanez, and Caitlin Mueller, 544–51. Cambridge, MA: ACADIA

100%; open Sonntag, Daniel, Jan Knippers, and Simon Bechert (2017) Find in CUMINCAD Biomimetic Timber Shells Made of Bending-active Segments , International Journal of Space Structures 32 (3-4): 149–59

100%; open Steeves, Craig A., and Norman A. Fleck (2003) Find in CUMINCAD Material Selection in Sandwich Beam Construction , Scripta Materalia 50 (10): 1335–9

100%; open Wagner, Till J. W., and Dominic Vella (2013) Find in CUMINCAD The ‘Sticky Elastica’: Delamination Blisters beyond Small Deformations , Soft Matter 2013 (9): 1025–30

100%; open Zenkert, Dan (1995) Find in CUMINCAD Introduction to Sandwich Construction , Warley, UK: Engineering Materials Advisory Services Ltd

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