A free-form and structural-redundant timber reciprocal frame configuration: intelligent design, optimization and fabrication
Abstract
Abstract 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.
Reference
Jianbin Du; Peiqi Xu; Pengyang Zhao; Bo Xia; Zhenyu Zhao. (2024). A free-form and structural-redundant timber reciprocal frame configuration: intelligent design, optimization and fabrication. Springer Science and Business Media LLC. https://doi.org/10.21203/rs.3.rs-4799666/v1
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