Sunday, September 9, 2007

[papercreters] Tilt up -was- Re: New Member

Welcome to the group Unofornaio.

Your proposal certainly seem feasable. There are several factors
that will be critical to make it work effectively.

For tilt up construction to work the panels must have sufficient
tensile and shear strength to survive the tilt up process.
Papercrete is strongest in compression. The most direct approach is
to use a papercrete mix that has sufficient cement and other mineral
content to take the stress. This will result in heavier panels,
which will add to the tilt up stresses.

Another alternative is to add some kind of reinforcement to help keep
the panel together. The difficulty with this approach is that
papercrete tends to shrink away from things like rebar as it dries.

If the planned panels are to be of significant size, they can very
easily become too large to tilt up by hand, even with a fairly
lightweight mix. Consider these factors in your design. Do you have
equipment that can assist and speed the process? Will you be able to
precisely control your panels to place them accurately?

I encourage you to experiment. Be certain your design will work well
before you invest significant time and money.

Several members of the group have contemplated tilt up. At least one
has done it successfully. I'm sure you'll have many following your
progress closely. Please take lots of pictures and be sure to post
about experiments that didn't work as well as you hoped as well as
your successes. That is how we all learn.

Have fun.

--- In papercreters@yahoogroups.com, "unofornaio" <unofornaio@...>
wrote:
>
> Hi all,
>
> I have been intrigued by papercrete for about 2 years now. I first
> discovered it when looking for an alternative to standard masonry
for
> some walls at mu home. I'm a mason by trade but really like the
light
> weight and form possibilities of the papercrete. Oh and the money
> savings as well as what a great use for waste paper..
>
> Right now I am looking at going ahead with really researching how
to
> build these walls. I have a half ace lot that has a really nice 12-
13"
> deep x 8" footing all the way down both sides that has chain link
and
> 2" steel poles about every 10'. I was thinking of forming
> papercrete "tilt up" walls or placing forms on either sides of the
> existing fencing and pouring them sections at a time.
>
> I'm gonna search the posts and see what I can find, in the mean
time.
> I would appreciate any comments on this idea.
> Thanks.
>



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