1 Introduction
2 Fatigue experiment of optimized welded detail
2.1 Geometry dimensions
2.2 Fatigue experiment loading
3 Finite element simulation and analysis
3.1 Finite element modeling
3.2 Finite element results
Detail code |
σ
1max
|
K
1
|
σ
2max
|
K
2
|
σ
3max
|
K
3
|
---|---|---|---|---|---|---|
Welded detail I | 197 | 2.81 | 161 | 2.30 | 169 | 2.41 |
Optimized welded detail | 138 | 1.97 | 97.8 | 1.40 | 124 | 1.77 |
4 Parametric studies
Flange plate thickness | 12.00 | 13.00 | 14.00 | 15.00 | 16.00 | 17.00 | 18.00 | 19.00 | 20.00 |
Web thickness | 12.00 | 13.00 | 14.00 | 15.00 | 16.00 | 17.00 | 18.00 | 19.00 | 20.00 |
Weld size | 6.00 | 6.50 | 7.00 | 7.50 | 8.00 | 8.50 | 9.00 | 9.50 | 10.00 |
Cope-hole thickness | 24.00 | 28.00 | 32.00 | 36.00 | 40.00 | 44.00 | 48.00 | 52.00 | 56.00 |
Filler plate thickness | 8.00 | 8.50 | 9.00 | 9.50 | 10.00 | 10.50 | 11.00 | 11.50 | 12.00 |
Weld penetration parameters | 0.25 | 0.50 | 0.75 | 1.00 | 1.25 | 1.50 | 1.75 | 2.00 | 2.25 |
Initial geometric imperfection | 5.00 | 6.00 | 7.00 | 8.00 | 9.00 | 10.00 | 11.00 | 12.00 | 13.00 |