control cracking, could you do the first placement of the bulk material
with a flowable fill (250+/-psi) mix, or even a compacted, well-graded
stone?
Jordan
Jim Wilson wrote:
> A client intends to fill a 9' deep pool with 5' of concrete to make a
> wading pool for the elderly. Are there any particular concerns with
> the mix design to mitigate chemical reactions between pool chemicals
> and components in the mix? If not, would a simple 3000lb or
> 4000lb mix suffice? I am thinking that they should place the final 6"
> in a separate lift to reduce cracking and facilitate finishing.
>
> The client expects to have a cold joint around the perimeter that will
> need to be sealed. They intend to drain and repaint the pool every
> year, so maintenance of the joint will not be too great of an issue.
>
> Jim Wilson, PE
> Stroudsburg, PA
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