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Joto-Vent Below Wood Shearwalls

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jdgengineer

Structural
Dec 1, 2011
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Has anyone used a Joto-Vent continuous vent system below wood shearwalls in a high seismic area? They have ICC approval, but no mention of seismic loading in the report (just compression loading). They have seismic testing by a Canadian laboratory but the report states "Not to be used as an official report" and I'm not sure if it was tested in a similar manner as ICC approval.

Any thoughts? It essentially provides a continuous vent between the mudsill and the top of the concrete footing so it seems like it would put the anchor bolts in a bit of bending and could potentially increase the lateral drift somewhat.

 
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I suppose due to the lack of Seismic ICC test it would be up to building official (and by proxy the stamping engineer) to qualify the product for use in these areas. The canadian report looks like a valuable tool to be able to do this. You could add the additional deflections into the shear wall deflection equation to account for that. And for the anchor bolts you could use the approach as if there was a drywall gap in the connection (air gap) and check bending on the anchor bolts directly. Seems like that would be a pretty rational approach.
 
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