Abstract
This study presents the development, design, and performance of a novel energy dissipation device consisting of a thin shear yielding core plate with unbonded buckling inhibitors. An experimental investigation is carried out to assess the cyclic performance of these sandwiched shear yielding plate (SSYP) devices. Thirteen specimens with annealed/unannealed aluminum core plates of varying configurations and web aspect ratios were tested. SSYPs with annealed aluminum plates showed a stable hysteretic response and excellent energy dissipation potential till a shear strain of 25%. Analytical expressions are developed to predict the lateral resistance and stiffness of these devices. A simplified macro model based on the truss analogy is also proposed to facilitate numerical modeling of these devices in analysis tools for application in design practice.
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