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[TowerTalk] "I" beam question

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Subject: [TowerTalk] "I" beam question
From: w2up@mindspring.com (Barry Kutner)
Date: Tue, 13 Oct 1998 08:38:36 +0000
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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