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Design and Analysis of a Self-Supporting Bamboo Roof Structure with Flexible Connections

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The presented study investigates a mobile bamboo roof structure with flexible connections. The developed ultralight structural system built with modular space frames, tensile pantographic grids, textile joints in polyester ropes and biocomposites, is capable of supporting itself. Prefabricated hinged flexible connections (HFC), designed for the structure, allow for a deployable mechanism, free of torsional stresses in the bamboo bars. Nonlinear analysis using the finite element method (FEM) was used to determine the forces in the structure. Static loading patterns for wind loads were investigated and it was determined that the applied forces can be safely resisted by the structural members. A numerical model, physical models and full-scale prototypes were used to investigate the complex mechanical behavior of the bamboo structure. Selected design guidelines are also introduced.

Keywords: BAMBOO; DEPLOYABLE; DESIGN; HINGED FLEXIBLE CONNECTION (HFC); PANTOGRAPHIC; ROOF STRUCTURE; SELF-SUPPORTING SPACE FRAME (SSF); STRUCTURAL ANALYSIS; TEXTILE; ULTRALIGHT

Document Type: Research Article

Publication date: September 15, 2019

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  • The Journal of the IASS is the peer-reviewed, quarterly journal of the International Association for Shell and Spatial Structures. The journal mainly presents technical papers and project reports submitted by members or nonmembers of the IASS. Typically, one issue per year focuses on a special topic arranged by guest editors. Additional articles annually include the four Hangai Prize winning papers and Tsuboi Proceedings Award contribution from the IASS annual symposium. Finally, additional content includes announcements of events and memorial statements of distinguished IASS members.
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