Abstract
ABSTRACTThis paper proposes a novel type of metallic damper, named Honeycomb Structural Fuse (HSF), a modified version of the previously developed Welded Wide Flange Fuse (WWFF). Based on the commonly available welded wide flange section, honeycomb‐shape perforations were laser cut on web. The HSF is designed to dissipate earthquake energy through plastic deformation of the web in shear, while the flanges remain elastic. To investigate the seismic behaviour of HSF, a total of 9 specimens with different honeycomb cell wall aspect ratios (cell wall thickness to cell wall centre length) and honeycomb cell combinations (number of cell rows and columns) were manufactured and tested to examine the influence of different parameters on its performance including force‐drift relationship, working mechanism and buckling modes etc., are summarized. The experiment shows that the newly proposed HSF exhibits stable energy dissipation capability, which can be used as an efficient metallic damper for seismic applications.
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