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Referring to Figures 18 3 and 18 4 the fatigue stress range for welded joints is the stress range in the load carrying member except for class W where it is the stress range in the weld metal

Referring to Figures 18.3 and 18.4, the fatigue stress range for welded joints is the stress range in the load carrying member, except for class W, where it is the stress range in the weld metal, defined as ∆F/2gL. For a “T” joint, as shown in the diagram, calculate the ratio of plate thickness to leg length, t/a, which produces the same stress range in both plate and weld throat. Estimate the t/a ratio that allows both class W and class F2 cracking to occur at the same time.

 

May 16 2020 View more View Less

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