Beyond Form Definition: Material Informed Digital Fabrication in Timber Construction

Correa, David; Krieg, Oliver David; Meyboom, AnnaLisa

doi:10.1007/978-3-030-03676-8_2

Cited by 8 publications

(8 citation statements)

References 13 publications

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“…Alguns autores dos trabalhos analisados apontam que o principal ponto de estudo de uma forma arquitetônica complexa é o seu material construtivo, baseados na ideia de que inovação em materiais resulta em inovação na arquitetura (MENGES, 2010;CORREA;KRIEG;MEYBOOM, 2019). Desse modo enfatizam que a criação das formas complexas está diretamente ligada à capacidade dos materiais atenderem aos esforços estruturais assim como à compatibilidade com o processo de fabricação que essas formas exigem.…”

Section: Discussão Dos Resultadosunclassified

Construtibilidade de formas arquitetônicas complexas: ma revisão sistemática da literatura

2022

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Resumo O uso de modelos computacionais paramétricos possibilitou uma revolução na forma das edificações. No entanto, a liberdade formal trazida por esses modelos apresenta novos desafios, principalmente em relação ao processo construtivo e ao uso dos materiais nas arquiteturas com formas complexas. Logo, entender a construtibilidade, ou como os processos de fabricação e montagem e os materiais influenciam na geração da forma, é essencial para o desenvolvimento de uma arquitetura eficiente e eficaz. Com base nisso, este artigo tem como objetivo identificar e analisar o estado da arte relativo aos processos de fabricação e montagem de formas arquitetônicas complexas por meio de uma revisão sistemática da literatura (RSL). Após a pesquisa em cinco bases de dados, encontrou-se 142 trabalhos, dois quais 61 foram selecionados para análise. Esses trabalhos possibilitaram uma visão ampla da aplicação de materiais e técnicas de fabricação digital para construção de formas complexas, além de diferentes critérios de construtibilidade utilizados para análises das formas, citados em 17 trabalhos. Conclui-se que o desenvolvimento de formas arquitetônicas complexas demanda a integração entre o projeto da forma, os materiais de construção que serão utilizados e os processos de fabricação e montagem.

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Section: Discussão Dos Resultadosunclassified

Construtibilidade de formas arquitetônicas complexas: ma revisão sistemática da literatura

2022

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“…It can and can thus either exhibit shrinking or swelling depending on moisture content and atmospheric conditions [5]. The swelling can generate pressure from 83 to 165 MPa [9]. Managing this dimensional change is important in timber construction.…”

Section: The Dimensional Change Of Timbermentioning

confidence: 99%

Moisture-induced timber joining - Utilizing the hygroscopicity and shape-memory effect of wood resulting in dimensional change in a prefabricated wood-only, self-built, sawn timber system for affordable housing in Colombia

Salzberger,

Rojas,

Koskamp

2024

Preprint

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From a global perspective, the building industry stands as a significant factor of environmental impact on the planet. Wood has emerged as a promising construction material as a sustainable building source, gaining traction in the industry due to its carbon storage capabilities and prefabricated possibilities [13]. Particularly in the context of rural Colombia, the integration of prefabricated timber constructions, coupled with advancements in digital fabrication technologies, holds the promise of facilitating social reconstruction. Furthermore, such an approach poses the potential to enhance material performance and contribute positively to its end of life [1]. Nevertheless, existing research identifies a critical gap within the wood-to-wood timber connections to tackle better design, manufacture, assembly, and deconstruction (DfMA + D) [20]. Consequently, this study endeavours to explore the application of Computer Numerical Control (CNC) technologies in conjunction with the material's response to changes in relative humidity. The aim is to devise a mechanism for tight-fitting structural wood connections, the central focus of this research lies in understanding the collaborative interaction between sawn timber and moisture fluctuations. By doing so, the study seeks to introduce a new construction methodology and building system centred around material climate reaction and its expansion capacity applications in traditional connections, thereby mitigating the need for chemical and mechanical structural joints, ultimately resulting in a self-assembly system destined to low-income populations in the Colombian territory. This study proves the enhancement of timber connection to tensile stress up to 50% of its original capacity by implementing the moisture induced process and developing a building system utilising this joining method for the assembly of elements for housing in Colombia.

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“…Besides assembling 3D surfaces from flat panels, 3D curved surfaces can also be obtained through deforming sheet material, such as curving flat lathes or planks (Correa, Krieg, & Meyboom, 2019;Liddell, 2015;Schling, 2018), and other techniques, which will be further investigated in chapter 5. The current chapter focuses on assembling flat rigid components.…”

Section: Geometry Architectural Notation and Digital Fabricationmentioning

confidence: 99%

Design and Fabrication of Shell Structures

Chiang

2022

Architecture and the Built Environment

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Shell structures carry loads with their thin yet curved shapes. Being thin means shells require little material, which is desirable for minimizing embodied carbon footprints. However, the feature of being curved implies shells require immense effort to design and fabricate. To address the challenges, this dissertation consists of three parts: developing a design algorithm based on radial basis functions (RBFs), inventing a fabrication technique based on reconfigurable mechanisms, and producing prototypes based on the new algorithm and mechanism. The first part of this dissertation introduces a new algorithm based on RBFs for designing smooth membrane shells, which is more versatile than existing methods. The algorithm can generate membranes with both tensile and compressive stresses. It can also tweak an initial shape to meet free-edge conditions. It can also incorporate horizontal loads in the form-finding process. The second part of the dissertation presents a new system of flat-to-curved mechanisms, which allows a shell to be fabricated in a flat configuration and deployed into a double-curved state. Such a mechanism consists of panels connected by tilted hinges. The mechanism can contract non-homogeneously and change its Gaussian curvature. The last part of this dissertation demonstrates the integral application of the RBFs form-finding algorithm and the flat-to-curved mechanisms. The prototypes designed and produced deliver form-found shapes that have spans ranging from 0.2 to 4 meters. This dissertation contributes to the development and distribution of shell structures by developing computer algorithms and digital fabrication techniques to minimize the hurdles of designing and fabricating shell structures.

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Beyond Form Definition: Material Informed Digital Fabrication in Timber Construction

Cited by 8 publications

References 13 publications

Construtibilidade de formas arquitetônicas complexas: ma revisão sistemática da literatura

Construtibilidade de formas arquitetônicas complexas: ma revisão sistemática da literatura

Moisture-induced timber joining - Utilizing the hygroscopicity and shape-memory effect of wood resulting in dimensional change in a prefabricated wood-only, self-built, sawn timber system for affordable housing in Colombia

Design and Fabrication of Shell Structures

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