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

id acadia08_118
authors Cabrinha, Mark
year 2008
title Gridshell Tectonics: Material Values Digital Parameters
source Silicon + Skin: Biological Processes and Computation, [Proceedings of the 28th Annual Conference of the Association for Computer Aided Design in Architecture (ACADIA) / ISBN 978-0-9789463-4-0] Minneapolis 16-19 October 2008, 118-125
summary This paper begins with a simple proposition: rather than mimicking the geometric structures found in nature, perhaps the most effective modes of sustainable fabrication can be found through understanding the nature of materials themselves. Material becomes a design parameter through the constraints of fabrication tools, limitations of material size, and most importantly the productive capacity of material resistanceóa given materialís capacity and tendencies to take shape, rather than cutting shape out of material. ∂ Gridshell structures provide an intriguing case study to pursue this proposition. Not only is there clear precedent in the form-finding experiments of Frei Otto and the Institute for Lightweight Structures, but also the very NURBS based tools of current design practices developed from the ability of wood to bend. Taking the bent wood spline quite literally, gridshells provide a means that is at once formally expressive, structurally optimized, materially efficient, and quite simply a delight to experience. The larger motivation of this work anticipates a parametric system linking the intrinsic material values of the gridshell tectonic with extrinsic criteria such as programmatic needs and environmental response. ∂ Through an applied case study of gridshells, the play between form and material is tested out through the authorís own experimentation with gridshells and the pedagogical results of two gridshell studios. The goal of this research is to establish a give-and-take relationship between top-down formal emphasis and a bottom-up material influence.
keywords Digital Fabrication; Form-Finding; Material; Pedagogy; Structure
series ACADIA
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100%; open Achim, Menges (2007) Find in CUMINCAD Computational Morphogenesis: Integral Form Generation and Materialization Processes , Proceedings of the 3rd International ASCAAD Conference on Emíbodyíing Virtual Architecture
100%; open Bezier, Pierre (1998) Find in CUMINCAD A View of the CAD/CAM Development Period , IEEE Annals of the History of Computing 20 (2): 37-40
100%; open DeLanda, Manuel (2004) Find in CUMINCAD Material Complexity , Neil Leach, David Turnbull, and Chris Williams, Digital Tectonics. London: Wiley-Academy Press
100%; open Focillon, Henri (1992) Find in CUMINCAD The Life of Forms in Art , New York: Zone Books
100%; open Harris, Richard, John Romer, Oliver Kelly, and Stephen Johnson () Find in CUMINCAD Design and construction of the Downland Gridshell , Building Research and Information 6 (31): 427-454
100%; open Reiser, Jesse (2006) Find in CUMINCAD Atlas of Novel Tectonics , New York: Princeton Architectural Press

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