Experimental Study on CFRP-Confined Circularized Concrete-Filled Square Steel Tube Short Columns

Table 1

Material properties.

Materials	Thickness (mm)	Yield strength (MPa)	Tensile strength (MPa)	Tensile elastic modulus (MPa)
Steel tube	2	313.9	392.6	2.07 × 10^5
CFRP	0.167	—	3094	2.44 × 10^5
Epoxy resin	—	—	58	2.584 × 10^3