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Shelf Angle Eccentricity

Shelf Angle Eccentricity

Shelf Angle Eccentricity

(OP)
1) When suuporting a beam on a shelf angle (seated connection) how do you guys figure the eccentricity of the load on the shelf angle?

2) When the loading capacity of the anchors won't allow a seated connection ONLY, what are some common ways to increase the capacity??  How much load goes to which connection, etc?

I don't use shelf angles very often.  In fact, it's been a while since I had to do any "add-on" connections.

Shelf angle is anchored to a concete wall.  This design is for the US (non-seismic).

Thanks in advance.

RE: Shelf Angle Eccentricity

Use a seated beam connection or, if more capacity is required, stiffened seat connection (AISC ASD Manual p. 4-32 to 4-48 for examples/charts).  For the anchorage to the concrete, Hilti has a number of possible solutions in their catalog for both mechanical and epoxy anchors.

Good Luck!

RE: Shelf Angle Eccentricity

(OP)
Thanks,

Do you know if the stiffened seated connection is located in the LRFD manual somewhere.  I don't have an ASD manual.

RE: Shelf Angle Eccentricity

LRFD 2nd Edition:  Vol. 2, p. 9-128 through 9-146.

LRFD 3rd Edition: p. 10-92 through 10-111

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