首页|Hysteresis Analysis on Origami Energy Dissipation Braces with Local Miura Units
Hysteresis Analysis on Origami Energy Dissipation Braces with Local Miura Units
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Hysteresis Analysis on Origami Energy Dissipation Braces with Local Miura Units
A local design scheme for origami energy dissipation braces was proposed by combining local Miura units at both ends and a straight segment in the middle.This design was implemented to address the issue of uneven axial stiffness observed in global origami braces.Globally and locally designed origami braces were simulated and compared under cyclic loading to validate the advantages of the proposed design scheme in terms of hysteretic properties.Additionally,an analysis was conducted on the designed braces with varying straight segment lengths,geometric angles,and origami plate thicknesses for comparison.Results indicate that the local design significantly increases the tensile bearing load,enhances the anti-buckling capability,and improves the energy dissipation performance compared to the global design.The positive impact on bearing capacity and energy dissipation performance was observed with increased straight segment length,geometric angles,and origami plate thickness.However,excessively large parameter values result in brace buckling under compression,diminishing energy dissipation capacity.
Key Laboratory of C and PC Structures of Ministry of Education,National Prestress Engineering Research Center,Southeast University,Nanjing 211189,China
Shenzhen Research Institute,Southeast University,Shenzhen 518071,China
Origami brace Local design Energy dissipation Hysteretic property
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