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JAE (Structural) (OP)
10 Aug 11 19:42
AISC has those handy tables for bolt groups loaded in shear with the load occuring eccentrically to the group, causing bolt rotational reactions (Instantaneous center and Elastic methods).

Suppose you have a perimeter steel beam which serves not only as a gravity beam but also as a lateral brace collector, taking axial load down its length.

I've searched through the AISC specification and the manual and cannot find a design example of this condition for the connecting plate design.

The bolts simply take a resultant shear at an angle and the tables deal OK with the bolts.  

But with the connecting plate it appears that the specification is silent unless I'm just not seeing it.  They have the bolt bearing checks (not a problem) but the shear yielding and shear/tension rupture checks don't indicate what to do with shear in two directions.

msquared48 (Structural)
10 Aug 11 22:00
Including the AISC Seismic Design Manual?

Mike McCann
MMC Engineering


Helpful Member!  nutte (Structural)
10 Aug 11 23:30
The Seismic Design Manual has an example of this, a shear tab loaded with both shear and axial force.  
connectegr (Structural)
10 Aug 11 23:39
I have commented before on the design of extended plates with shear and axial load, and the necessary considerations.  I don't know how to find the previous threads.  But, the responses were extensive.

hokie66 (Structural)
11 Aug 11 3:16
Would this be one of the threads you are remembering?

thread172-267808: shear tab with axial load

connectegr (Structural)
11 Aug 11 8:01
JAE (Structural) (OP)
11 Aug 11 8:40
Thanks for the replies - nutte - I'll check out the seismic manual.

wannabeSE (Civil/Environmental)
12 Aug 11 22:58
If the Seismic Design Manual does not answer your questions, Steel Tips has "Design of Shear Tab Connections for Gravity and Seismic Loads."

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