Research Article
True Stress-True Strain Models for Structural Steel Elements
Table 4
Comparison of experimental test results with FE prediction for perforated samples.
| | Steel grade | Specimen ID | Experimental ultimate stress (MPa) | FEM ultimate stress (MPa) | | | (1) | (2) | (3) | (4) | (5) |
| | A992 | A992-F-0.9 | 547 | 542 | 1.01 | | A992-F-0.8 | 482 | 480 | 1.00 | | A992-F-0.7 | 429 | 423 | 1.01 | | A992-F-0.6 | 369 | 362 | 1.02 | | A992-F-0.5 | 308 | 298 | 1.03 | | A992-W-0.9 | 528 | 523 | 1.01 | | A992-W-0.7 | 422 | 418 | 1.01 | | A992-W-0.5 | 297 | 299 | 0.99 |
| | 350W | 350W-F-0.9 | 548 | 547 | 1.00 | | 350W-F-0.8 | 489 | 488 | 1.00 | | 350W-F-0.7 | 427 | 427 | 1.00 | | 350W-F-0.6 | 366 | 366 | 1.00 | | 350W-F-0.5 | 311 | 312 | 1.00 | | 350W-W-0.9 | 540 | 543 | 0.99 | | 350W-W-0.7 | 417 | 417 | 1.00 | | 350W-W-0.5 | 291 | 302 | 0.96 |
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