Seismic Performance of Concrete-Filled Square Steel Tubular Column-Steel Beam Sleeve Joint

Table 2

Performance parameters of steel.

Thickness (mm)		Measured strength (MPa)		Average strength (MPa)
5.65	Yield strength	323.86	322.72	323.29
	Ultimate strength	474.09	473.42	473.76
7.65	Yield strength	299.50	282.88	291.19
	Ultimate strength	390.05	392.82	391.43
9.67	Yield strength	313.57	319.68	316.62
	Ultimate strength	420.86	427.45	424.15