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Concrete Shear Angle

Concrete Shear Angle

Concrete Shear Angle

(OP)
We currently have a project which requires framing new concrete grade beams into existing foundation piers. I am thinking about using a structural steel angle connected to the existing concrete pier with Hilte's Adhesive Anchor System to transfer the shear from the pier to the grade beam. Has anyone used this method?

RE: Concrete Shear Angle

If you are just transferring shear just drill and epoxy new rebar dowels into the existing footing and cast them in with the new grade beam.  

RE: Concrete Shear Angle

WillisV

Wouldn't the interface at least need to be roughened to use shear friction? In other words, I have never just used rebar to transfer shear, but in combination with a rough surface.

RE: Concrete Shear Angle

Both work - just a different λ factor right?

RE: Concrete Shear Angle

That's right. 0.6 lambda vs 1.0 lambda.

RE: Concrete Shear Angle

I would hazard a guess that the sides of the existing footing are probably pretty rough to begin with but certainly you can abrade it a bit if you so desire...

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