Axial Compression Behaviors of the Steel Tube Confined Reinforced Concrete Columns with Binding Bars

Table 1

Mechanical properties of steel from material quality testing.

Steel reinforcement and tube	E (MPa)	fy (MPa)	fu (MPa)
C6	217897.33	482.00	644.33
C14	206675.67	482.00	580.33
Q235	161702.67	158.00	265.67