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Thank you for the responses.

Question 1: What is the best approach to weld inspection for T Y & K connections (pipe to pipe fishmouth welds)? (For example: Maybe the prepared connection gets visually inspected prior to welding, and then the root pass gets magnetic particled, and then the fill and cap passes get...

AISC Rectangular HSS Sections go up to a max size of HSS 20x12x5/16. The design of sections up to that size clearly fall within the specification of AISC Steel Construction Manual. What if you make a built up box section beam, for example, out of 1/2" plate to create a 24" x 18" x 1/2" plate...

If you aren't a "fabric structure" expert, recognize that you "don't know what you don't know" and steer clear of large fabric structures. I say that with no disrespect intended. Personally, if this was a "two day event" type structure that was legitimately taken down, I'd probably design it...

I think the calcs are wrong in the original post. If the new side plates were only connected at the neutral axis, they would just be "along for the ride" and the load in them would be proportional to I(plate) / I(WF Section). But that is not what is happening. These plates are integral to the...

It may sound odd, but I strongly recommend the Civil Engineering Reference Manaual (CERM) and the Structural Engineering Reference Manual (SERM). They cover the very basics of structural engineering extremely well and in broad depth. Especially the CERM, but also the SERM, is typically used as...

StructuralEIT, my perspective and thoughts as a fellow "young engineer": I spent too much time at work (meeting important deadlines, etc.) at my first job (consulting firm). I moved away after three years due to family reasons. Some bits of insight that may help you: 1) It was clear to me...

I haven't heard of getting "more shrinkage" by fully grouting a wall, nor does that logically make sense to me. What does logically make sense to me: You're restraining the wall from shrinking/expanding horizontally more than "normal" by fully grouting it. With higher stresses resulting from...

I have never used A53 Gr A Pipe. However, I have used pipe not listed specifically in the AISC code. Among other things, I looked at: 1) Fabrication of pipe (cold rolled vs hot rolled/formed) 2) Inspection / testing of weld seam at the mill, assuming cold rolled. 3) Aesthetics of the weld...