Research Article

Cyclic Testing of Bolt-Weld Joints Reinforced by Sleeves Connecting Circular CFST Columns to Steel Beams

Table 2

Mechanical properties of steel materials.

Steel typeThickness t (mm)Yield strength fy (MPa)Tensile strength fu (MPa)Elastic modulus Es (105 MPa)Elongation δ (%)

Circular tube83855082.0618
Beam flange of 125 wide93875682.1426
Beam web of 125 wide64085742.1722
Beam flange of 175 wide113765512.1927
Beam web of 175 wide74045532.1822
Arc end plate163675862.1929
Square end plate163585142.1631
Stiffened rib123084762.1127
Longitudinal outward ribbed plate of beam84215652.1326
Bolt207778462.033