Reciprocal Frames Algorithm based on Symmetry Groups

Castriotto, Caio; Celani, Gabriela; Tavares, Felipe Oliveira

doi:10.1007/s00004-021-00578-5

Cited by 3 publications

(1 citation statement)

References 18 publications

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“…The algorithm developed for modelling RF structures is explained in detail in Castriotto et al 18 In short, a desired free-form shape is transformed into a quadrilateral structured mesh (quad-mesh), which is then converted into a RF pattern. This parametric algorithm allows the user to have control over several variables at any time in the design process, such as the total number of elements, the cross-section dimensions of each nexor and the 3D angles established between them.…”

Section: Design Processmentioning

confidence: 99%

Clamp links: A novel type of reciprocal frame connection

Castriotto

Tavares

Celani

et al. 2021

International Journal of Architectural Computing

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Reciprocal frames (RFs) are complex structural systems based on mutual support between elements. One of the main challenges for these structures is achieving geometrical complexity with ease for assembly. This paper describes the development of a new type of connection for RF that uses a single bolt to fix a whole fan. The method used was the Research Through Design, using algorithmic modelling and virtual and physical prototyping. After the exploration of different alternatives, the connection selected was structurally evaluated with a 3D solid finite element analysis (FEM) software and a 2D bar parametric model. Finally, a full-scale pavilion was built as a proof-of-concept. A total of 47 connections were fabricated using four 3D-printed templates combined with a hand router. The construction allowed us to draw conclusions on the connection design and the assembly method, and the process as a whole can contribute to the development of new structural links and production methods.

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Section: Design Processmentioning

confidence: 99%

Clamp links: A novel type of reciprocal frame connection

Castriotto

Tavares

Celani

et al. 2021

International Journal of Architectural Computing

Self Cite

View full text Add to dashboard Cite

show abstract

Reciprocal frame (RF) architecture design based on statistical analysis of geometrical form parameters from built cases and parametric simulations

Xu,

Zhao,

Liu

et al. 2024

Construction and Building Materials

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A free-form and structural-redundant timber reciprocal frame configuration: intelligent design, optimization and fabrication

Du,

Xu,

Zhao

et al. 2024

Preprint

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Recognizing that reinforced concrete has a shorter lifespan than anticipated and contributes to environmental pollution, timber structures have regained attention for their renewability and eco-friendliness. However, the availability of large-scale timber suitable for modern structural engineering is exceedingly limited. Consequently, reciprocal frames (RF), which utilize small-scale components to achieve large spans, have opened up new architectural possibilities in timber construction. Nonetheless, the current applications of RF systems are hampered by the limited curve adaptability and insufficient structural redundancy. Drawing on traditional RF principles, this study proposes a new RF configuration method that enhances morphological adaptability and structural redundancy, integrating insights from architecture and structural engineering. Furthermore, we present a comprehensive workflow encompassing design, optimization, and fabrication, aimed at validating the mechanical and constructional efficacy of the new configuration, outlining quantitative design guidelines, and highlighting the multiple benefits of this innovation over existing RF solutions. We believe that this configuration concept will challenge current civil engineering practices by enabling timber constructions to be low-cost, large-span, rapidly deployable, morphologically adaptable, and structurally robust, and offer broader applications in scenarios requiring economical and time-efficient solutions such as constructions in underdeveloped regions, disaster relief efforts, and beyond.

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Reciprocal Frames Algorithm based on Symmetry Groups

Cited by 3 publications

References 18 publications

Clamp links: A novel type of reciprocal frame connection

Clamp links: A novel type of reciprocal frame connection

Reciprocal frame (RF) architecture design based on statistical analysis of geometrical form parameters from built cases and parametric simulations

A free-form and structural-redundant timber reciprocal frame configuration: intelligent design, optimization and fabrication

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