Research Article

Experimental Investigation and Parametric Analysis of the Mechanical Properties of Aluminum Alloy Thin-Walled Hollow Columns under Axial Compression

Table 2

Ultimate bearing capacity.

NumberColumn height (mm)Failure modeTest results (kN)Mean value (kN)

K360-1360Local buckling74.3375.52
K360-280.53
K360-372.25
K360-474.98

K720-1720Local buckling76.1772.29
K720-277.79
K720-363.41
K720-471.77

K1080-11080Local buckling71.4372.03
K1080-272.86
K1080-377.43
K1080-466.38

K1800-11800Local buckling78.3075.05
K1800-271.51
K1800-374.49
K1800-475.89