Modified Bistable Modules for Bias Deployable Structures
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Modified Bistable Modules for Bias Deployable StructuresDate
2022-02Citation
Freire-Tellado, M.J., M. Muñoz-Vidal, J. Pérez-Valcárcel. "Modified bistable modules for bias deployable structures". Structures 36 (February 2022): 111-125. DOI: 10.1016/j.istruc.2021.12.011
Abstract
[Abstract] Bias deployable grids are meshes with two directions of rotation on the ground plan with respect to the edges. They offer benefits such as three-dimensional resistance with supports around the entire perimeter of a rectangular layout, and consist exclusively of load-bearing scissors as opposed to the usual combinations of load-bearing scissors and bracing scissors. However, their resistance to angular distortion is limited, and they require auxiliary elements to maintain the fully deployed position. Nevertheless, they are very promising solutions for medium-span emergency buildings.
This paper proposes a bistable module adapted to bias deployable structures. The geometrical incompatibilities of several modules are analysed together with their behaviour based on the kinematic models that were built, which alternate different types of nodes and different geometries of the perimeter scissors, making it possible to calibrate the level of incompatibility introduced. The dimensions of the nodes are also taken into account. The tests are checked against the results of several series of dynamic calculations.
Keywords
Deployable structures
Bistable structures
Scissor-hinged mechanism
Reciprocal structures
Deployment sequence
Bistable structures
Scissor-hinged mechanism
Reciprocal structures
Deployment sequence
Description
Financiado para publicación en acceso aberto: Universidade da Coruña/CISUG
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Rights
Atribución-NoComercial-SinDerivadas 4.0 Internacional
ISSN
2352-0124