Michael Ryan wrote:
> I'm the type of guy who takes things literally, and Undisturbed soil is just
> that and nothing else. It is UNDISTURBED. I would imagine this has been
> bantered around a million times with the answer being the same in every
> case. I dug the 96" deep hole. Use 4 x 8 plywood sheets as forms, making
> two square boxes that fit into the hole, just about all the way to the
> bottom. But I did not use them to pour the concrete. Once the rebar cage
> and tower base were wired together with the doobies standing the rebar from
> the sides and bottom, the forms come OUT of the hole. I built a square form
> 6" above ground, and poured away. The concrete is in contact with the
> undisturbed soil. - Mike
>
That's a good way of doing it, but depending on where you dig around
here the ground is either so solid you don't even need to worry about a
cave in as it was for the base of my tower, or it'll be a *very* wide
hole with no such thing as "undisturbed" soil.<:-)) (as it was for the
NW guy anchor) I'm just glad that wasn't where we had to put the tower base.
73
Roger (K8RI)
> -----Original Message-----
> From: towertalk-bounces@contesting.com
> [mailto:towertalk-bounces@contesting.com] On Behalf Of Tim N9PUZ
> Sent: Monday, April 27, 2009 3:53 PM
> To: Dick Flanagan
> Cc: towertalk@contesting.com
> Subject: Re: [TowerTalk] Compacted vs. Undisturbed Soil
>
> Dick Flanagan wrote:
>
>
>> My friend is being told that properly compacted back-fill is the
>> equivalent of undisturbed soil. Is that true??
>>
>
> That sounds like something I'd want the PE who put his name on plan to
> answer.
>
> Tim, N9PUZ
>
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