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id ijac201614104
authors Wood, Dylan Marx; David Correa, Oliver David Krieg and Achim Menges
year 2016
title Material computation—4D timber construction: Towards building-scale hygroscopic actuated, self-constructing timber surfaces
source International Journal of Architectural Computing vol. 14 - no. 1, 49-62
summary The implementation of active and responsive materials in architecture and construction allows for the replacement of digitally controlled mechanisms with material-based systems that can be designed and programmed with the capacity to compute and execute a behavioral response. The programming of such systems with increasingly specific response requires a material-driven computational design and fabrication strategy. This research presents techniques and technologies for significantly upscaling hygroscopically actuated timber-based systems for use as self-constructing building surfaces. The timber’s integrated hygroscopic characteristics combined with computational design techniques and existing digital fabrication methods allow for a designed processing and reassembly of discrete wood elements into large-scale multi element bilayer surfaces. This material assembly methodology enables the design and control of the encoded direction and magnitude of humidity-actuated responsive curvature at an expanded scale. Design, simulation, and material assembly tests are presented together with formal and functional configurations that incorporate self-constructing and self-rigidizing surface strategies. The presented research and prototypes initiate a shift toward a large-scale, self-construction methodology.
keywords Hygroscopic, self-forming, computational design, autonomous actuation, wood structures
series journal
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