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Re: [TowerTalk] elevated anchor guy points

To: "Joe Subich, K4IK" <k4ik@subich.com>
Subject: Re: [TowerTalk] elevated anchor guy points
From: "Tower (K8RI)" <tower@rogerhalstead.com>
Date: Thu, 21 Oct 2004 18:09:54 -0400
List-post: <mailto:towertalk@contesting.com>


Joe Subich, K4IK wrote:



Interesting point. The block that is underground is approximately 3 feet wide and 5 feet long (in direction of guy) if memory serves. Anybody on this list that can figure the lateral force required to tip this block over
from a pipe extending five feet vertically from the center?





Remember too that if the soil is clay it will flow and has characteristics very much like a high viscosity liquid. It might take years, but elevated anchors set in most clay will eventually shift.
/
/


Roger Halstead (K8RI ARRL Life Member)
Worlds Oldest Debonair (N833R S# CD-2)
www.rogerhalstead.com


What is the soil's bearing capacity and how deep is the top of the concrete block? You have several components of force:

1) the force required to tip over the block if it was setting on the surface of the ground 2) the force required to rip the back half of the block through the cone of soil on top of it 3) the force required to compress the soil below the front half for the block (to allow the back half to raise) 4) the force required to drag the block forward through the soil

The last three require knowledge of the soil characteristics.

73,

... Joe, K4IK


_______________________________________________


See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions and ask for Sherman, W2FLA.

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_______________________________________________


See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions and ask for Sherman, W2FLA.

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