Research Article

Numerical Study of Damage Modes and Damage Assessment of CFST Columns under Blast Loading

Table 4

Parameters used in the numerical parametric study.

Parameters (m/kg1/3) (m) (kg) (m) (m)Steel ratio Axial load ratio

Benchmark case0.18–0.500500.

Contrast cases0.15–0.901.85250, 5000.9, 1.20.9, 1.20.16, 0.190.50, 0.65

= /; and are the cross-sectional areas of steel tube and infill concrete, respectively.