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/kg^1/3)	(m)	(kg)	(m)	(m)	Steel ratio	Axial load ratio
Benchmark case	0.18–0.50	0	50	0.6	0.6	0.13	0.35
Contrast cases	0.15–0.90	1.85	250, 500	0.9, 1.2	0.9, 1.2	0.16, 0.19	0.50, 0.65

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