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HSS to HSS single plate shear connection, limit checks 1

juanlarar

Student
Mar 13, 2025
1
Hi everyone :D, I'm designing a shear connection with a single plate between an HSS beam and an HSS column. I'm having doubts about what all the possible limit checks are for this type of connection.

I'm reviewing AISC 360-22 and the Manual, 16th edition for clarity, and I understand that the welding might govern here and that I have punching shear due to the single shear plate. But what other limit checks should I consider, for example, in the beam?
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I recommend using WTs in lieu of the end plate, fin plate, and single shear plate. Cuts down on the checks with a more direct load path while simultaneously providing some out-of-plane stability, which this detail is wanting.
 
All the regular conventional & extended shear tab checks, beam checks, & plate checks apply.
HSS-specific checks would include:
1) Max weld the HSS wall can handle
2) HSS support b/t check (AISC 16th pg 10-96)
3) HSS support punching shear (AISC 16th eq 10-10)
4) If axial load is present, check support "web" yield line analysis (AISC 16th eq 9-44) & "punching shear" (different kind, same name) via (AISC eq 9-43), as req'd.
 
Agreed with ANE91 on the WTs. Also, check out AISC DG 24, HSS connections. Will likely have helpful information.
 

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