[Cob] Cob Bale Construction (Reno Derosier)

[Mia Hessel]

My experience with cob and bale is from my only hands-on experience with cob. The northern wall was to be built with bales. They were not tied down but placed on top of a small cob foundation with support from maybe 10 cm of cob on either sides. 
Strawbale sinks when there is load applied from the roof. Cob sinks or shrinks less which may cause cracks, and thin cob walls does not bear load and may crack or create hollow parts between bale and supporting wall. 
I dont know how others have worked with these issues, but maybe an idea would be to structurally seperate the parts with strawbale from the parts with cob. Maybe with collums or windowparts. The joins between bale and cob could be strengthened by using links like sharp and long imbedded wooden pecks. We soaked the bales in clay-splip to create a better join, but I don't know how well that worked. Ideas are very welcome.
 
Mia, DK

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Emne: Coblist Digest, Vol 8, Issue 214
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Dato: søndag 5. december 2010 21.00


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Today's Topics:

   1. Cob Bale Construction (Reno Derosier)


----------------------------------------------------------------------

Message: 1
Date: Sun, 5 Dec 2010 17:30:52 +0200
From: Reno Derosier <reno.derosier at gmail.com>
Subject: [Cob] Cob Bale Construction
To: coblist at deatech.com
Message-ID:
    <AANLkTim7VD2up5ePzYjfjuHE66_wM82fZLT3oUoBzEHC at mail.gmail.com>
Content-Type: text/plain; charset=UTF-8

Hi All;

Working with an architect here in Eastern Europe to build a cob bale house
to code. My partner just finished a permaculture course in Turkey where she
was advised not to do both cob and bale construction.

Does anybody have input on the pros and cons of doing such. The
permaculturist was concerned about the integrity of the well where the two
items met.

Thanks

Reno


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