Research Article
A Novel Probabilistic Fatigue Life Prediction Method for Welded Structures Based on gPC
Table 5
The fatigue life test data of a 45 # steel welded joint under constant amplitude load.
| Group ID | Experiment life (105 cycles) | = 750 MPa | = 650 MPa | = 630 MPa | = 590 MPa | = 520 MPa |
| 1 | 0.2080 | 0.4940 | 0.7089 | 1.3219 | 1.9670 | 2 | 0.2215 | 0.8175 | 0.9041 | 1.4129 | 2.0951 | 3 | 0.2430 | 0.8590 | 0.9281 | 1.5269 | 3.2367 | 4 | 0.2550 | 0.9629 | 0.9430 | 1.5678 | 4.5625 | 5 | 0.2700 | 1.0200 | 0.9616 | 1.6421 | 4.6132 | 6 | 0.2900 | 1.0869 | 1.0030 | 1.7002 | 4.7381 | 7 | 0.3470 | 1.1269 | 1.1981 | 1.7848 | 5.2336 | 8 | 0.3780 | 1.1830 | 1.2020 | 1.9280 | 5.4815 | 9 | 0.4610 | 1.1929 | 1.5321 | 2.4638 | 6.5569 | 10 | 0.6100 | 1.6850 | 1.8919 | 2.6272 | 12.9211 |
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