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3D extrusion of multi-biomaterial lattices using an environmentally informed workflow

Frontiers of Architectural Research 2022年第4期11卷 691-708页

作者： vasiliki panagiotidou Andreas Koerner Marcos Cruz Brenda Parker Bastian Beyer Sofoklis Giannakopoulos Bio-Integrated Design Lab The Bartlett School of ArchitectureUniversity College LondonLondonWC1E 6BTUnited Kingdom

The conventional building material palette has been proven limited in terms of adaptability to our current environmental challenges. Innovations in computational design and digital manufacturing have supported the broadening of biomaterial applications as an alternative. While biomaterials are characteristically responsive to stimuli such as temperature and humidity, their unpredictable behaviour is a hurdle to standardization and architectural utilisation. To examine the nexus between material formulation, computation and manufacturing, multi-biomaterial lattice structures were produced through an environmentally informed workflow. Customized biomaterial development resulted in three candidate biopolymer blends with varying levels of hydro-responsiveness and transparency. The computational strategy included a machine learning clustering algorithm to customise results and dictate material distribution outputs. To test the workflow, environmental data of solar radiation exposure and solar heat gain from a specific location was used to inform the material deposition via pneumatic extrusion for the design and digital fabrication of a deformation-controlled prototype of 350 mm × 350 mm. This led to a series of multi-biomaterial wall panel components that can be applied at architectural scale. In future, these techniques can support the incorporation of living elements to be embedded within the built environment for truly animate architecture.

关键词： Hydrogels Multi-biomaterials Hygroscopic properties Pneumatic extrusion Environmentally informed deposition Integrated workflows

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