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Re: AW: [Strawbale] concrete footings



Hello,

Have you thought of Rammed tyres (with roadstone/scalpings). Tyres are free and would otherwise go to landfill. Depending on your soil conditions you can have no foundations under them ate all. Have a look at Amazon Nails site and/or read Barbara Jones book for more details.

www.strawbalefutures.org.uk

Ruth Walker (Oxford)

On 14 Feb 2006, at 14:00, Carine Simons wrote:

Hallo from Germany,


For years and years people in Holland and Germany have been using brick
foundations and bigger buildings have been standing for centuries. Just a
suggestion!

Carina Simons

-----Ursprüngliche Nachricht-----
Von: strawbale-bounces@amper....muni.cz
[mailto:strawbale-bounces@amper....muni.cz] Im Auftrag von Mark
Bigland-Pritchard
Gesendet: Montag, 13. Februar 2006 08:13
An: SB (Europe); SB (repp); SB (yahoo); SB (bale-on)
Betreff: [Strawbale] concrete footings


Hi folks.

I'm organising the building of a small (30 m2) sb structure this spring, on an environmentally sensitive site. We need to minimise the amount of concrete going into the ground (to minimise embodied energy, to minimise
local ecological impact through changed soil chemistry, and to minimise
transportation costs).  So I've ruled out a concrete pad.  A rubble
trench foundation is ruled out because there is no suitable rubble
locally.  I'm therefore looking at some sort of pile foundation.
Treated timber below ground level wouldn't meet the ecological criteria
set by the site managers, and I don't want to take the risk with
untreated timber; my previous experience of using boulders is that it's
not the best way to do this because the timbers on top of them have to
be individually shaped to fit (time-consuming, and not suitable for the
mostly unskilled volunteer labour which we will have).  So I'm looking
at using concrete piles, probably arranged in something like a 2m grid,
to support the building.

My question is this: does anyone have experience they are willing to
share of using proprietary systems for shaping the concrete such as that
at www.bigfootsystems.com ?  (Bigfoot make a bell-shaped footing out of
recycled plastic, into which the concrete may be poured.)

My second, more tenative question is:  can this sort of system be used
with rammed earth instead of concrete?  (I don't think I have the time
to learn everything I'd need to know to do this this time round, but it
would be good to know what's possible for future work.)

atb,
Mark
Borden, SK, Canada

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____________________________________________________
    European strawbale building discussion list

Send all messages to:
Strawbale@amper....muni.cz

Archives, subscription options, etc:
http://amper.ped.muni.cz/mailman/listinfo/strawbale
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