[Clayart] Reinforced Sculpture

Alice DeLisle via Clayart clayart at lists.clayartworld.com
Fri Oct 9 08:13:03 EDT 2015

I am not sure if this is relevant, but I was told that Mark Chatterley uses rebar to support his outdoor sculptures and spray foam around the rebar inside the sculptures for stability.

Alice DeLisle

wanderland at att.net

> On Oct 8, 2015, at 8:14 PM, via Clayart <clayart at lists.clayartworld.com> wrote:
> I do not have experience with this technique, Paul, but I'm curious as to
> why you are increasing the strength of your sculpture with low density
> concrete. I would think the trade off between increased cost/time to added
> strength wouldn't be worth it. What type of a sculpture is it and how much
> increase in strength are you seeing? How much added weight does the
> concrete impart and how much does it shrink as it matures? Why the rebar?
> I have always wondered if concrete-filled ceramics would be stronger than
> hollow formed ceramics. I am assuming these sculptures will be outside.
> Have you had any sculptures outside for any length of time? Differences in
> thermal expansion between the concrete and the clay might be an issue, and
> depending on local weather, freeze thaw might as well.
> This is interesting, Paul. Do you have any pictures?
> Taylor, in Rock Rock
> Taylor, in Rockport TX
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> On Thu, Oct 8, 2015 at 8:18 AM, Paul Gerhold via Clayart <
> clayart at lists.clayartworld.com <mailto:clayart at lists.clayartworld.com>> wrote:
>> I am currently building some large hollow ceramic sculptures which will be
>> internally reinforced with rebar and low density concrete.  Have done tests
>> and smaller sculptures and this seems to work well and result in an
>> incredibly strong sculpture.
>> Am wondering if anyone else has tried this or has any experience using
>> this technique on a large scale.

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