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Update for anyone else looking for this answer: After letting this stew, I came across a formula in section 3.2 of AISC DG 24 regarding the strength for pull-out of a single fastener through an HSS wall as rn=Fu(0.6*pi*dw*t) with phi = 0.67 and omega = 2.25. Looks like this is just a punching...

Thanks everyone for the inputs. WARose has the correct equations for CFS, but wouldn't cover thicker steels. I briefly reviewed the document jaskamakkara suggested and I think that limit state covers different yield lines for yielding of the plate for prying action (which is covered a little...

Anyone have a resource for calculating the capacity of bolt head tear through (pull through) in a piece of a steel bar greater than 3/16". For instance, if there's a threaded rod in pure tension that is nutted on the backside of a flatbar. Limit states are available for the rod/nut, but I can't...

I'm wondering how other firms handle what seems like a common situation in our office: Concrete truck is measured with not enough air entertainment. The contractor is informed, but decides to pour anyways. Now the owners rep/inspector is looking to us (EOR) for our "blessing". Of course telling...

Is your docx file specifically formatted or does your drafter do the formatting through AutoCAD?

Not a technical engineering question, but I thought maybe a firm represented by you all may have a better process. I think my firm produces note sheets rather inefficiently, and I can't believe other firms don't have a quicker/better way of creating them. The following is our process: Write...

I have some mechanical support framing that's deflection controlled. My typical is to allow up to L/360. But for this particular support, I'm at 0.8" of deflection. Anybody know where to find an allowable deflection limit for mechanical supports? Thanks!