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Contraction/Construction Joint Horizontal Bar Detail

Contraction/Construction Joint Horizontal Bar Detail

Contraction/Construction Joint Horizontal Bar Detail

(OP)
Hi,

Could anyone guide me to a specific ACI publication that requires/recommends that horizontal bar terminating on either side of a contraction/construction joint in a wall be hooked 180deg?

Thanks

RE: Contraction/Construction Joint Horizontal Bar Detail

Don't think you will find a publication that requires it.

First, rebar is typically continuous or spliced across a construction joint. A construction joint is simply a convenience for the contractor, not something required by analysis, so structurally you want to maintain continuity across a construction joint.

Second, if you did want to terminate the reinforcement, it needs to be developed on each side of the joint. A 180 hook is only one method of doing this. It could also be accomplished with a 90 hook, straight bar, headed bar, etc.

RE: Contraction/Construction Joint Horizontal Bar Detail

If you want a 'real' joint, then consider smooth dowels and grease one end.

Dik

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