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Rebar dowel shear bar

Rebar dowel shear bar

Rebar dowel shear bar

(OP)
For rebar (say #4 or #5 bar) being used as a shear dowel for concrete floor deck, are the equations for shear capacity the same as anchor bolts? This is being used to transfer diaphragm forces to cmu shear wall. I attached a pic I found online. Thanks

RE: Rebar dowel shear bar

This short horizontal bar is far less needed for shear rather than just to keep the PT plank from separating from the CMU wall - the same condition as anchoring a wood joist to a concrete wall.

I believe the concrete section itself would provide adequate shear in most cases with out the steel having to be being considered.

Mike McCann
MMC Engineering

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