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.
| Number | Column height (mm) | Failure mode | Test results (kN) | Mean value (kN) |
| K360-1 | 360 | Local buckling | 74.33 | 75.52 | K360-2 | 80.53 | K360-3 | 72.25 | K360-4 | 74.98 |
| K720-1 | 720 | Local buckling | 76.17 | 72.29 | K720-2 | 77.79 | K720-3 | 63.41 | K720-4 | 71.77 |
| K1080-1 | 1080 | Local buckling | 71.43 | 72.03 | K1080-2 | 72.86 | K1080-3 | 77.43 | K1080-4 | 66.38 |
| K1800-1 | 1800 | Local buckling | 78.30 | 75.05 | K1800-2 | 71.51 | K1800-3 | 74.49 | K1800-4 | 75.89 |
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