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 acadia15_69
authors Wilcox, Glenn; Trandafirescu, Anca
year 2015
title C-Lith: Carbon Fiber Architectural Units
source ACADIA 2105: Computational Ecologies: Design in the Anthropocene [Proceedings of the 35th Annual Conference of the Association for Computer Aided Design in Architecture (ACADIA) ISBN 978-0-692-53726-8] Cincinnati 19-25 October, 2015), pp. 69-79
summary C-LITH is the reconsideration of the architectural building unit through the exploration of new composite techniques and materials. Our project develops individual compo- nents that exploit the strength, lightness, and variability possible with carbon ber laments when paired with computation, digital fabrication, and hand assembly. Traditionally, architectural units made of brick or concrete are small and multiple, heavy, dif cult to vary, and are much better in compression than tension. Using carbon ber laments to create variable units allows for larger individual units that can vary in both shape and structural performance as needed. Our units, developed through winding pre-preg carbon ber tow around disposable molds, bene t structurally from the quasi-isotropic properties that are developed through the winding patterns. The specific structural capacities of the units remain to be understood through further testing and analysis, which falls outside the scope of this current research. At this junction, structural capacities have been determined empirically, i.e. will it stand? Most importantly, as a formal study, our units address the use of carbon ber at the scale of architectural production. A majority of the effort involved in materializing C-LITH was the development of a two-fold prototypical manufacturing process that produces the components and assembly. For this we invented a method to quickly and cheaply construct variable cardboard molds that could withstand the wound casting and baking steps, but could also be easily weakened through water immersion to be removed. For the assembly we developed a rigid dummy-jig system to hold the joint plates in position with a high level of precision but could also incrementally absorb the adjustment errors unavoidable in hand assembly systems. Using a simple pin connection the resultant structures can be easily disassembled for transportation and reassembly elsewhere.
keywords Carbon Fiber Composite, Variability, Fabrication, Computation, Coding, Molds, Jigging, Assembly
series ACADIA
type normal paper
email gwil@umich.edu
full text file.pdf ( bytes)
references Content-type: text/plain
details citation check to select
100%; open Beukers, A., E. Van Hinte (2005) Find in CUMINCAD Lightness: The Inevitable Renaissance of Minimum Energy Structures , Rotterdam: nai010 publishers
100%; open Frampton, K. (2001) Find in CUMINCAD Studies in Tectonic Culture: The Poetics of Construction in Nineteenth and Twentieth Century Architecture , Cambridge: The MIT Press
100%; open Lynn, G. (2009) Find in CUMINCAD Blobwall. In Closing the Gap: Architectural Design , 79(2): 96-99
100%; open Pearce, P.J. (1980) Find in CUMINCAD Structure in Nature is a Strategy for Design , Cambridge: The MIT Press

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