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  1. MelBWasHere

    What is the difference between torsion & minor axis bending?

    Apologies, forgot embedment could be done. I'll do better next time. Thank you for the helpful comments. Makes sense that it would depend on the attachment to a degree (blue in the image below, correct me if I'm wrong).
  2. MelBWasHere

    What is the difference between torsion & minor axis bending?

    Say I have a wide flange beam in a simple span condition, no lateral support of any kind. I apply a point load "X" inches away from the beam centerline at the midspan (so an eccentric point load). Would this loading condition be considered torsion or minor axis bending? I believe it to be...
  3. MelBWasHere

    Singly Symmetric Reinforced Steel Beam - Plastic Moment vs Yield Moment

    See attached images. S & Z come from SkyCiv. I've been using F4 for my reinforcement calcs, but I figured I'd check web slenderness to see if I could use F5 instead. However, this issue does come up when calculating the web plastification factor. I'm sure the capacities are fine, but I wanted to...
  4. MelBWasHere

    Singly Symmetric Reinforced Steel Beam - Plastic Moment vs Yield Moment

    I have an (E) 50ksi wide flange beam that will be reinforced with a 50ksi 1"x12" cover plate stitch welded to the bottom flange. The beam is in positive bending (top flange in compression, bottom reinforced flange in tension). I want to check the web slenderness. According to attached AISC...
  5. MelBWasHere

    Torsional Constant of a Reinforced Steel Beam

    RE: Celt83 - After reading the thread, that's what I was afraid of, but I understand. Thank you for the book reference, I'll take a look! RE: WesternJeb - Yeah, 2-4% is't terrible, could be worse. Maybe I'm just an old soul and trust hand calcs more since I can see what I'm doing; software can...
  6. MelBWasHere

    Torsional Constant of a Reinforced Steel Beam

    I have a 50ksi wide flange beam that I'm reinforcing with a 50ksi WT (welding the stem to the bottom flange of the wide flange). I'm trying to check the LTB limit state of the member per AISC 360-16 Section F4.2, but am having trouble figuring out how to calculate the torsional constant, J. I...

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