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Posted by fftt on March 6, 2009, 4:07 pm
> RO wrote:
> > I'm looking at some free Gambrel Barn plans from Canada Plan Service an=
d
> > with a 38' wide barn you have two rows of 4x4 posts 13' in from each si=
de
> > and every 8' down the length of the barn - to support the loft floor. =
=A0I
> > imagine with a pole barn, you get a smaller upstairs but a larger open =
area
> > below.
> > RO
> 4x4's ???????? =A0 maybe for a treehouse loft.
The 4x4's seem a bit small but if I understand his design....he'll
have a forest of them.
Worst case each 4x4 will see the load from approx 100 sq ft of
loft.
Easily handled by a 4x4 unless he's gonna spec book library / file
storage.
Larger "poles" at the barn perimeter only or a single row down the
middle would give more freely used floor space.
A pole every 13' across the barn & every barn 8' along the length is
going to really chop up the space.
Of course a 38' clear span is going to require some pretty deep floor
trusses. I'd guess something in the 24" / 26" depth range depending
on design loads and loft floor "bounce" tolerance.
cheers
Bob
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