At 08:44 AM 3/20/01 -0500, Ted Huf wrote:
>There is no way to dig this hole and just pour concrete in. You
>would have to dig a much large hole and build a form for the concrete. Then
>after a few days, remove the form, and back fill the hole with compacted
>earth. Another way is to have the hole drilled which might make my question
Right! Do you have any bedrock at the site at all? If so, there is another
I used for my 55ft US Tower. I had a PE design a round hole, 15ft into
Since there was 5 ft of compacted soil above that, the whole base was a 3 ft
thick square sitting on top of a 17 ft round column (3 ft diameter). We put
square cage and poured. The best news was that it required to dig, only a
with a drilling head attached. That auger drilled out the hole in twenty
But it does require a PE to figure out the weight needed to counteract the
momentum-- in my case over 20,000lb.
>Another point, soil density is not the same everywhere. The coastal Florida
>locations where I have experience had very sandy soil with a high water
>table. The base design was done only after soil samples and density tests
>were completed by a soil testing company.
Do you have any geology reports for your house? That should have the info.
Maybe, if the house is newer, the local building department might have it
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