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Posted by DanG on January 24, 2009, 12:28 pm
Many tilt up walls have the insulation in the center. One wall is
poured face down, so the casting bed prep needs to be as smooth as
your desired finish. Rebar and special ties are cast in the slab.
Rigid foam is then installed and rebar tied for the top slab. The
top slab is cast face up and the trowel finish is exposed.
Lifting inserts will need to be plugged, and the plugs will show.
Edge weldments will show.
Sealing poured concrete is usually done with silanes or siloxanes.
These are water clear and don't tend to change the cast finish or
color.
Concrete supply is subject to local availability. Ready mix truck
supplied concrete would be the norm. Very large jobs may add a
batch plant to feed regular concrete trucks - just cut down on the
haul time. Some huge work may deliver concrete in dump trucks if
there are methods in place to deal with it, usually highway work.
I am not aware of a CIP system that has insulation in the center
and cast finish on each face. There may be some Gunnite type work
that would meet your requirements. Cast concrete usually has snap
tie holes with which to deal. At best you can get a rubbed or
stoned finish on the walls after stripping.
--
______________________________
Keep the whole world singing . . . .
DanG (remove the sevens)
dgriff237@7cox.net
> 1. re: Cast-in-Place concrete. How to insulate a wall when you
> want
> the interior/exterior exposed? I.E. such as the Japanese
> architect
> Ando, where the cast is meant to be the finished wall. No GWB or
> other
> wall finish.
> 2. as above; how is the exterior water-proofed?
> 3. How do contractors supply concrete to a large project? Is a
> plant
> set up at the site? They could not rely on a sufficient supply
> of
> trucks.
> Thanks. Any CIP ideas info will be helpful.
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> want
> the interior/exterior exposed? I.E. such as the Japanese
> architect
> Ando, where the cast is meant to be the finished wall. No GWB or
> other
> wall finish.
> 2. as above; how is the exterior water-proofed?
> 3. How do contractors supply concrete to a large project? Is a
> plant
> set up at the site? They could not rely on a sufficient supply
> of
> trucks.
> Thanks. Any CIP ideas info will be helpful.