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Wood interior wall studs[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: "Seaint" <seaint(--nospam--at)seaint.org>
- Subject: Wood interior wall studs
- From: "Andy Heigley" <aheigley(--nospam--at)jgaeng.com>
- Date: Fri, 13 Jul 2007 13:31:42 -0400
I just want to get some feedback from other engineers about designing interior load-bearing wood wall studs. When designing the walls, I normally check two load combinations:
1) DL + LL +LLr
2) DL +0.75LL + 0.75LLr + 0.75W (with W = 5.0 psf interior horizontal partition load; I typically use a Cd=1.0 if I am just supporting floor live and dead load. And a Cd=1.15 when carrying roof loads in addition to the floor live and dead loads. I think the use of Cd=1.6 seems less conservative when you are dealing with large axial loads, particularly in a multi-story buildng.)
A contractor is battling me over some stud sizes b/c the stud height is about 10’-0” and for 2x4’s once you add the horizontal loading, in the second combination above, it significantly reduces the axial capacity. His engineer doesn’t check the second loading listed above.
I just want to get some other people’s opinion on what they check in your own design.
Andrew Heigley, PE
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