[TowerTalk] Vibrator for 2x2x4 hole?

[bill rubin]

That was my point as well.  Unless the pour is large and has a lot of rebar,
its over kill.



On 8/16/07, Roger (K8RI) <K8RI-on-TowerTalk at tm.net> wrote:
>
>
>
>
> > Folks - for a 2x2x4' Rohn 25 base concrete foundation, do I need to
> > use a concrete vibrator during the concrete pour?
>
> A vibrator is to get rid of any air pockets in the pour.
> The need for a vibrator depends on how dry the mix is and how it's poured.
> Often the new, high strength concrete is poured with a minumum of water
> which even requires a shaker to get the stuff down the chute and there a
> vibrator is essential. With a more conventional pour I just use a plain
> old
> fashioned garden variety hoe.  You have to work fast, but it doesn't take
> much.   Contrary to popular belief you are not tamping, but only working
> out
> the air pockets. In small holes I've used no more than a broom handle with
> *wet* concrete.
>
> 73 and good luck,
>
> Roger (K8RI)
> >
> >  dana
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