*Case 2.G [#f8fba912] **The causes of fatigue [#l627369d] > An inappropriate structural detail of low fatigue strength had been adopted. **Approaches to repairing and retrofitting [#q3d0b22e] > stop hole > **LINK [#pab40791] -[[Dan Ryan Bent]] -[[Dan Ryan Express]] > Drill hole + saw cut, dumbbell for small cracks