[TowerTalk] minimum guy radius
patrick_g at windstream.net
Thu Oct 31 14:03:30 EDT 2013
During a period of the successive evolutionary improvements of the design of
arches in ancient Rome it was the custom that the architect/engineer would
stand under the arch as the scaffold was removed. This limited the maximum
number of catastrophic failures to one per architect/engineer. Sort of a
built-in Darwin award system.
From: Jim Lux
Sent: Thursday, October 31, 2013 12:52 PM
To: towertalk at contesting.com
Subject: Re: [TowerTalk] minimum guy radius
On 10/31/13 9:47 AM, Roger (K8RI) on TT wrote:
> On 10/31/2013 9:25 AM, Steve Maki wrote:
>> A guyed tower can be designed for closer guying than that, no problem.
>> Takes more steel, bigger guys, bigger anchors, and careful engineering.
>> There's a 1000' TV tower near me with outer anchors at around 350'. The
>> wires are 3", and the tower is massive.
> There's a lot of variables that can't be seen. The only spot available
> for a self supporting cell tower in town was the corner of a parking lot
> so they went 30 feet deep with the foundation. "The odds are" if this
> is a commercial tower, they had to meet engineering standards. Course
> every once in a while we read about something really expensive, folding
The collapse of the pyramid at Meidum triggered a design change in all
subsequent pyramids, and a change in one undergoing construction (Bent
Pyramid at Dashur).. oops better pick a more gentle angle..
These things happen. Always have, always will.
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