Table 3: Possible damage modes of the CFST column.

(kg) (m) (m/kg1/3)Damage mode

500≤0.21Localized
0.22–0.24Shear
≥0.26Flexural

2500≤0.25Localized
0.30–0.48Shear
≥0.52Flexural

501.85≤0.16Localized
≥0.18Flexural