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  • Users: 45North
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  1. 45North

    Plumb Tolerance For Steel Joists

    I have just spent the last 3 hours looking at project specifications, SJI and AISC manuals and can NOT find where allowable tolerance for an out of plumb steel joist or steel truss is listed. I know it must be staring me in the face but I can't find it. Anybody out there that can point me to...
  2. 45North

    What's available in Low Cost FEA Softtware?

    I recently quit the "big firm" and now am a sole practitioner. One of the things I still need to pick up is a cheap FEA program. Back in the 80's I had several that ran in Basic but even if I find the discs I probably can't find a 5 1/4 inch drive to put them in. My budget is under $1,000 for...
  3. 45North

    Wind Loads on Thin Tubular Sections

    I am a civil/structural but am posting this on the ASME forum hoping it is something covered in the pressure vessel code. I am looking for a reference on calculating local defromation of a thin tube due to wind loads. This is for determining the flatening or ovaling stresses. I have a...

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