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

Table 2

Material parameters of the infill concrete.

Parameter	Mass density; (kg/m^3)					(MPa)
Value	2440	0.79	1.60	0.007	0.61	37.9	7.0
Parameter	Shear modulus; (GPa)	Maximum tensile pressure; (MPa)	Threshold strain rate; EPS0 (s^−1)	Plastic strain before fracture; EFMIN	Crushing pressure; (MPa)	Crushing volumetric strain	Locking pressure; (MPa)
Value	14.86	4.0	1.0	0.01	16	0.001	800
Parameter	Locking volumetric strain	Damage constant	Damage constant	Pressure constant; (GPa)	Pressure constant; (GPa)	Pressure constant; (GPa)
Value	0.1	0.04	1.0	85	−171	208