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 type | Thickness t (mm) | Yield strength fy (MPa) | Tensile strength fu (MPa) | Elastic modulus Es (105 MPa) | Elongation δ (%) |
| Circular tube | 8 | 385 | 508 | 2.06 | 18 | Beam flange of 125 wide | 9 | 387 | 568 | 2.14 | 26 | Beam web of 125 wide | 6 | 408 | 574 | 2.17 | 22 | Beam flange of 175 wide | 11 | 376 | 551 | 2.19 | 27 | Beam web of 175 wide | 7 | 404 | 553 | 2.18 | 22 | Arc end plate | 16 | 367 | 586 | 2.19 | 29 | Square end plate | 16 | 358 | 514 | 2.16 | 31 | Stiffened rib | 12 | 308 | 476 | 2.11 | 27 | Longitudinal outward ribbed plate of beam | 8 | 421 | 565 | 2.13 | 26 | Bolt | 20 | 777 | 846 | 2.03 | 3 |
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