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 IDExperiment life (105 cycles)
 = 750 MPa = 650 MPa = 630 MPa = 590 MPa = 520 MPa

10.20800.49400.70891.32191.9670
20.22150.81750.90411.41292.0951
30.24300.85900.92811.52693.2367
40.25500.96290.94301.56784.5625
50.27001.02000.96161.64214.6132
60.29001.08691.00301.70024.7381
70.34701.12691.19811.78485.2336
80.37801.18301.20201.92805.4815
90.46101.19291.53212.46386.5569
100.61001.68501.89192.627212.9211