[TowerTalk] "I" beam question

[Barry Kutner]

On 13 Oct 98, John Langdon <jlangdon@outer.net> wrote:

> 
> The answer is: "it all depends".  Without actually calculating the tension in the guys and the loads on the anchors, there is no way to specify the materials you will need.  The loads are complex.  N> 
> I am an electrical engineer, not a registered professional civil engineer. That is who you need. Your question is equivalent to: "What resistor should I use in my transceiver".  There is no general a> 
> If you do not actually calculate your requirements, you would have to do massive "overkill" to be safe.  Use 50# per foot I beam in a pad 7' deep, 7' wide, and 7' long, with lots of rebar.  
> 
> Whoa!.  Too much!  Absolutely it is too much!  That's what the calculations do - tell you what is a reasonable specification to achieve your goals for the minimum amount of materials and labor.  That> 
> I understand the urge to get out there and start digging, but this is a time for a little more contemplation. Decide in haste, repent at leisure.
> 
> 73 John N5CQ
> 
But I know a guy who used water pipe instead of I beams, and his 
installation was even struck by Noah's Ark and it's still standing.
Calculations? You must be kidding. Anecdotes cost a lot less than a PE!
--
Barry Kutner, W2UP                            Internet: w2up@mindspring.com
Newtown, PA                                   Frankford Radio Club

                                           

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