[Cob] curved concrete!

[joe r dupont]

I think you put the end of the rebar in a pipe in the ground. I've bent
rebar a lot and never had any problems bending it myself alone.
 
also could you paint the masonite first?
On Sat, 21 Jul 2007 13:55:44 -0700 Ocean Liff-Anderson
<ocean at woodfiredeatery.com> writes:
> masonite is the weakest form of building material out there, this  
> side of cardboard - but on the "green" side, it is made of recycled  
> 
> wood "flour"
> 
> if your curve isn't too tight, you might try 1/4 plywood, this might 
>  
> last through a few pours.
> 
> oh, a word of caution.  i assume you'll be using some rebar in the  
> 
> footing.  be very careful while bending curved rebar.  when i was  
> working on the kiva one guy grabbed one end of an 8' rod and torqued 
>  
> it while it was being held in the middle by another guy.  get the  
> picture?  the loose end whipped up and smacked the side of my head - 
>  
> caused "only" 3 stitches!  but the rebar hit me 1" from my left eye, 
>  
> so i'm lucky to have vision in both eyes right now!
> 
> good luck,
> ocean
> 
> 
> On Jul 21, 2007, at 11:50 AM, Tys Sniffen wrote:
> 
> > I agree about spending the right money on the right things... I  
> > just don't
> > like 'one-time-use' items and all the throw-away of typical  
> > construction, so
> > I thought I'd explore the options.
> > Tys
> >
> > -----Original Message-----
> > From: Ocean Liff-Anderson [mailto:ocean at woodfiredeatery.com]
> > Sent: Friday, July 20, 2007 11:51 PM
> > To: Tys Sniffen
> > Subject: Re: [Cob] curved concrete!
> >
> > ya, we bought it new, and i don't think i'd count on it lasting 
> more
> > than one or two times...it's basically glued-together wood 
> dust...not
> > that durable when exposed to the extremely caustic character of
> > concrete... regular plywood forms don't last through many pours, 
> and
> > they are much more durable than masonite...
> >
> > suggestion:  don't expect to be able to build a house on a shoe-
> > string budget.  there are certain areas you shouldn't skimp -
> > including foundation work and the roofing, which i don't believe
> > there are very many inexpensive alternatives...
> >
> > ocean
> >
> >   On Jul 20, 2007, at 7:01 PM, Tys Sniffen wrote:
> >
> >> Thanks for that info!  Did you buy the masonite new? Is it a one
> >> time use
> >> thing? being a super tight-wad, I'm wondering if I can find this  
> 
> >> stuff
> >> somewhere and give it more than one use.
> >> Any suggestions?
> >> Tys
> >>
> >> -----Original Message-----
> >> From: Ocean Liff-Anderson [mailto:ocean at woodfiredeatery.com]
> >> Sent: Thursday, July 19, 2007 4:50 PM
> >> To: Tys Sniffen
> >> Cc: coblist at deatech.com
> >> Subject: Re: [Cob] curved concrete!
> >>
> >> boy, have we ever...
> >>
> >> here's what we did at the restaurant, with pics of how we did 
> it!
> >>
> >> 1.  built a frame of masonite, well supported with  2x4 bracing 
> and
> >> stakes every foot or so
> >> ( http://www.woodfiredeatery.com/images/artisticconcrete1.jpg )
> >>
> >> 2.  kiko then applied a mud-plaster bas relief form on the 
> inside
> >> ( http://www.woodfiredeatery.com/images/artisticconcrete2.jpg )
> >>
> >> 3. which made for a beautiful surface once concrete was stained 
> with
> >> ferrous sulphate
> >> ( http://www.woodfiredeatery.com/images/artisticconcrete3.jpg )
> >>
> >> as kiko said to me:  "there's enough ugly concrete in the world - 
> if
> >> you're going to use concrete, at least make it beautiful!"
> >>
> >> ocean
> >> http://www.woodfiredeatery.com
> >> http://www.peacemaking.org
> >>
> >>
> >> On Jul 19, 2007, at 3:50 PM, Tys Sniffen wrote:
> >>
> >>> How have people built the forms for the continuous concrete 
> bond
> >>> beam?
> >>> Especially around curves?  What's the best way to hold it 
> together?
> >>>
> >>>
> >>>
> >>> Tys
> >>>
> >>> _______________________________________________
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> >>> Coblist at deatech.com
> >>> http://www.deatech.com/mailman/listinfo/coblist
> >>
> >>
> >>
> >
> >
> >
> 
> 
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> 
 
 
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