Research Article
A New Buckling-Restrained Brace with a Variable Cross-Section Core
Table 6
Comparisons of FEM analysis results.
| | Model | ke (kN/mm) | First yield point | Second yield point | Ratio of BRB-VCCs to BRB-TJ-І (%) | | Fy1 | δy1 | Fy2 | δy2 | ke | Fy1 | δy1 |
| | BRB-TJ-I | 117.8 | 195.6 | 1.86 | — | — | — | — | — | | BRB-VCC-7 | 154.9 | 201.6 | 1.35 | 333.4 | 1.52 | 1.31 | 1.03 | 72.5 | | BRB-VCC-8 | 148.5 | 198.4 | 1.37 | 325.9 | 1.81 | 1.26 | 1.01 | 73.6 | | BRB-VCC-9 | 141.2 | 200.2 | 1.37 | 300.9 | 1.92 | 1.20 | 1.02 | 73.6 |
|
|
