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Re: heavy timber frame
- To: seaint(--nospam--at)seaint.org
- Subject: Re: heavy timber frame
- From: Drew Morris <dmorris(--nospam--at)bbfm.com>
- Date: Thu, 15 Sep 2005 13:47:16 -0800
Could you add "L" shaped steel plates in the upper corners centered in
the beams and columns with just bolts exposed? I'm not sure if this
would calculate out with the bolts bearing perpendicular to grain, but
it would stiffen the joints. Or hide the plates away from view? |
Bruce Holcomb wrote:
I have been asked to
review a heavy timber frame which will
be located inside of a retail store and will serve as a canopy over a
bar. The drawings I received showed 8x8 posts, 8x12 beams and 4x10
all of Cedar. I see nothing providing lateral stability for the
Even though it is inside another building, I want to make sure it
fall over when the first tired customer leans against a post, so I
knee braces, lag screwed into the beams and columns. The knee braces
from the inside of the beam / column joint each way. The client had a
they don’t want any additional bracing.
The beams and columns are
typically connected with ¼” steel
kerf plates. Has anyone built this kind of structure without
Basically, the ¼” kerf plates create a moment joint? The timber framer
said he wanted to change the kerf plates to mortise and tenon joints…
that create some lateral stability?
I’m not too concerned
about seismic… it’s
in the Midwest, but I may have to
produce calcs to
provide to the city reviewer. I want to make sure I can “prove”
the structure is laterally stable.