Verifying Fatigue Stresses in Leap Bridge Steel

Hi I have a question regarding Fatigue stresses in Leap Bridge Steel.

I have several locations along the girder that fatigue is the controlling design.

Based on the calculations reported, it appears that Leap Steel is using non composite properties to calculate the fatigue stress rather than the composite properties which is causing a higher stress to be reported than it should. The girder itself is being reported as composite and has the composite values calculated correctly.

I saw a similar question was posted about this a few years ago and wondering if this has been resolved?

Thanks

Michael

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