Re: SB: 2 storey nebraska

["Rene Dalmeijer" <rened@cistron.nl>]

Bill,

As the discussion was about LB I was mainly thinking in that direction. But
in a way I don't think it really makes such a big difference. A curtain wall
approach is better applicable to situations where the exterior wall is not
taking the load but primarily acting as a weather barrier. Taking the load
away from the wall however seems so wasteful. As soon as the structure is
more then 1 story the aspect ratio of the wall starts to come into play. The
wall needs the lateral stiffening that the floor can provide. The stiffening
has a detremental affect it creates a hard spot where the wall can
potentially crack when the structure deforms due to whatever load. Because
SB walls are so thick even a small amount of bending can cause cracking in
the inner or outer skins. (here again lime and clay will perfrom better then
cement)The joint should be able to allow a small amount of rotation without
cracking at the floor intersection.

Just some thoughts.

Rene
-----Original Message-----
From: Athena and Bill Steen <absteen@dakotacom.net>
To: Rene Dalmeijer <rened@cistron.nl>; crest <strawbale@crest.org>
Date: Sunday, March 24, 2002 3:00 AM
Subject: Re: SB: 2 storey nebraska


Just one question Rene, are we talking load-bearing, non lb or both?

Bill

> This is my (pure theoretical) opinion I would prefer the floor to go over
> the bales, thus dividing the upper and lower walls. The upper wall must
jutt
> out over the lower wall using the floor as a platform. The tricky bit is a
> correct and architecturally acceptable detail for finishing the floor
edges.
> My best suggestion is use the floor edge as the starting point for a
porch.
> The above solution is time tested. Most Hanseatic buildings had each
> successive story jutting out a little over the previous to avoid excessive
> wetting and possible leakages. (Even the porch but then only on the rear
> gable for out houses like coal/wood sheds)
>
> In some way it compares to where you place a gutter. Preferably outside of
a
> wall. When and if it leaks it will leak in a place were little harm will
be
> done. If placed within (Sante Fé) or on top you are in trouble.



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