[Cob] Pier foundation?

[David Knowlton]

excellent adaptation.

pardon the heresy: on hillsides i thought structures built on poles were 
more suitable -
usually wood frame.

david


>From: "Brad Calvert" <umbrella at netspace.net.au>
>Reply-To: umbrella at netspace.net.au
>To: <coblist at deatech.com>
>Subject: RE: [Cob] Pier foundation?
>Date: Wed, 12 Nov 2003 22:45:09 +1100
>
>Why not the walls on a concrete (steel reinforced) trench footing, stepped
>along the slopes.
>
>If you're building along the contour you run the risk of the building
>becoming a dam wall and water accumulating uphill.  If you build
>perpendicular to the contours (ie. up/down the hill) maybe some kind of
>split-level design, but it would have plenty of steps with that 1:4
>gradient.
>
>It does sound rather steep to me, I guess it all depends how far you plan 
>to
>deviate from the natural slope.  A long narrow building following a 
>countour
>might be an idea, but drainage could be the problem.
>
>I'd be interested to know about cob building on slopes.
>
>-----Original Message-----
>From: coblist-bounces at deatech.com [mailto:coblist-bounces at deatech.com]On
>Behalf Of Paul
>Sent: Wednesday, November 12, 2003 4:58 PM
>To: coblist at deatech.com
>Subject: [Cob] Pier foundation?
>
>
>Can anyone tell me if they have heard of anyone using a pier foundation for
>a cob building?  I'm going to be building on a slope that falls about 5 
>feet
>for every 20 feet of distance and I am having trouble designing the house
>with the constraint that the floors need to be on the ground (or a concrete
>slab - which I don't want to do).  It would seem to me that cob would be 
>too
>heavy for concrete piers, unless the piers were very close together.  Also,
>I'm going to be pouring an adobe floor, so that makes a heavy building even
>heavier.
>
>Paul
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