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RE: Nailer on Masory Wall[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: "seaint(--nospam--at)seaint.org" <seaint(--nospam--at)seaint.org>
- Subject: RE: Nailer on Masory Wall
- From: Jason Christensen <jason(--nospam--at)wcaeng.com>
- Date: Fri, 22 May 2009 14:39:37 -0600
- Accept-language: en-US
- Acceptlanguage: en-US
Technically speaking the only place that cross grain bending and cross grain tension are outlawed by the code in Section 22.214.171.124.3 of ASCE 7-05. This section is for the lateral anchorage of structural walls and only required if you are in a Seismic Design Category C through F.
If the H2.5 anchors are for uplift control of your TJI joist then that connection doesn’t fall under the lateral anchorage section mentioned, and per code you may not be required to use something else (local codes may add additional requirements).
But I may be confused, if the joist are bearing on a sill on the top of the wall, then there must be an out-of-plane connection anyway, one that either uses the sill or works around it?
Jason Christensen, S.E.
Thanks for the replies. To clarify, this is an interior bearing wall where the joists (TJIs) run over and bear on the nailer on the top of the cmu wall.
I know cross-grain bending is bad, but I’m just curious where in the code it says that it is outlawed in all cases. Again, all I can find is in reference to lateral anchorage for concrete/masonry walls to diaphragms.
Doug Mayer, SE
If you hang the joist from the wall with top flange hangers and put Pa straps at bottom of joist max 4' o.c. that usually works assuming 12" deep joist min. to get coverage around strap in cmu wall.
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