Research Article
Interactive Buckling of Q420 Welded Circular Tubes under Axial Compression
Table 4
Effect of residual stresses on overall buckling factor φ.
| | FEM | Slenderness ratio λ | | 20 (%) | 30 (%) | 40 (%) | 50 (%) | 60 (%) |
| | D159 × 6 | 1.21 | 2.94 | 5.91 | 9.53 | 12.0 | | D508 × 8 | 1.90 | 3.22 | 5.46 | 9.46 | 13.0 |
|
|
