Rethink Your Life!
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The Work of Art and The Art of Work
Kiko Denzer on Art
Cob Yoda's cob houseWill Firstbrook WCB of BC wfirstbr at msmail.wcb.bc.ca
Thu Dec 4 16:51:06 PST 1997
Hi Shannon, Thanks for your reply! >-----Original Message----- >From: Shannon C. Dealy [SMTP:dealy at deatech.com] >Sent: Thursday, December 04, 1997 12:43 AM >To: 'coblist at deatech.com' >Subject: Cob Yoda's cob house > >[Will Firstbrook WCB of BC] snip > >I have no doubt that a cob dome roof can be safely constructed using >corbelling, as long there is sufficient arch to the dome. It is >important to remember that when you build an arch or dome, much of the >force acting on the materials are compressive rather than tensile or >shear forces, and compressive strength is where cob excells. My concern >with using cob for any kind of roof is that should there be any failure of >the roof's protection from the weather, it might kill somebody before you >are aware of the problem. > >[Will Firstbrook WCB of BC] >Yes, that would concern me big-time. This project must be people friendly as >well as earth friendly. > > Personally I would consider this to be to much >of a risk to take, though it might be reasonable to try cob arches as your >roof support. If you want to achieve the yoda effect, I would go ahead >with the cob walls and sculpture work, but then put a small geodesic dome >on the top to give the rounded roof structure and plaster the interior of >the dome with cob to keep the interior effect. You would still need to >have wide eaves around the outside to protect the cob walls however. If >you really want the dome effect inside and out, you might be better off >just building an inexpensive geodesic shell as your entire exterior and >use cob for the interior. > >Shannon Dealy >dealy at deatech.com > >[Will Firstbrook WCB of BC] >I have to so some serious thinking about this room as I want to make sure >that it is safe, doable long lasting and low cost. Maybe I should build this >room into the ground and build a more conventional living roof. But from the >inside it looks like yoda's house with corbeled arches and roundish windows. > >Thanks for your input. > >Regards, >Will
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