On 10/30/2011 01:39 PM, Grant Saviers wrote:
> A couple more comments, some not covered before: (all comments w/o
> engineering calcs - YMMV)
>
> 1. Square tube is stiffer/stronger than round pipe or wide flange beams
> (I-beams) of same #/ft..
49 years ago I helped do an EZway tower with the "Wonder Ground Post",
rocket fins on the bottom of the post.
The owner (one of them engineers) did the math for a round disk, 3' in
diameter, 4" thick of concrete flush with ground level, not sticking to
the post.
He came up with some considerable multiplication of tilt over forces,
which I forgot, 48 years ago.
Someone with a bigger brain might try to apply the idea to the guy posts
and let us know some numbers.
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