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Masonry Veneer Anchors

Masonry Veneer Anchors

Masonry Veneer Anchors

(OP)
Howdy,

ACI does not provide much in the way of design for stone veneer anchorage requirements.  Is there another standard that is useful in design for these?  I am trying to determine anchorage spacing for a 4" split-faced limestone veneer anchored to cmu block wall with one-inch cavity (10-15' tall) using typical steel tie anchors that are grouted into the joints of the block and then the veneer.

Is there a rule of thumb for this?  I have seen 16" o.c vertical and 32" o.c. horizontal to help with coarsing of the 8" block, but what stresses are of the most concern?

Thanks a lot.

RE: Masonry Veneer Anchors

Check ACI 530-02 Chapter 6.

RE: Masonry Veneer Anchors

I would design the ties for tension for negative wind pressure and compression for positive pressure.  

RE: Masonry Veneer Anchors

Look at the NCMA-TEK manual.  TEK No. 64 provides a rational design. (at least, it used to, my copy is dated 1975.)

RE: Masonry Veneer Anchors

The building code usually includes a required maximum area per tie for anchored veneer.  Check the IBC.

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