Abstract
The primary material of cable-stiffened columns in the past is steel. However, the study employs aluminium alloy, which is lightweight and recyclable, to form a cable-stiffened aluminium alloy column. The buckling resistance of the stiffened aluminium alloy column is investigated. Two different boundary conditions (i.e., fixed and pinned supported) at the column ends and two different crossarm–column connection types (i.e., rigid and pin-connected) are considered in the analysis. First, linear buckling behaviours are numerically examined via the commercial Software ABAQUS, and typical buckling modes and loads were demonstrated in this stage. By adopting an optimisation method based on linear theory, the crossarm lengths of the cable-stiffened aluminium alloy columns are calculated. Finally, nonlinear buckling analysis is performed to examine actual buckling resistances of columns with optimal crossarm lengths, and stability behaviours of the cable-stiffened aluminium alloy column are also compared with that fabricated from steel.
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