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Hi, so, would you consider the connection detailed here as fixed or pinned during your structural analysis?

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  • $\begingroup$ Have a read of this, and then come back and either answer your own question, or comment your best guess if you're still not sure - this is a well-trodden topic, and you should be able to work it out with a bit of research: quora.com/… $\endgroup$
    – Jonathan R Swift
    Commented Nov 28, 2018 at 10:16
  • $\begingroup$ Just go with pinned if you really have to. It might be a little bit less economical but still correct results. $\endgroup$
    – Mohammad
    Commented Nov 29, 2018 at 16:25
  • $\begingroup$ I would say that the connection is supposed to be fixed. The fact that the flanges are able to transmit the force to the columns would clearly suggest that. But where I work it's always taken as pinned. So I was wondering why be so conservative? $\endgroup$
    – Mwendwa Kiko
    Commented Dec 1, 2018 at 7:53

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To be pedantic it is neither: it is somewhere in between. To get a better idea you can try a software solution (such as IDEA StatiCa Connection) and run a stiffness analysis.

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