Research Article

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

Table 3

Influence of diameter of longitudinal bars on ultimate axial bearing capacity and displacement of the specimen.

Diameter of longitudinal bars (mm)Pu (kN)Δu (mm)

163709.182.8967
143415.273.2574
123027.263.6075