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## RE: [TowerTalk] elevated anchor guy points

 To: "Towertalk" RE: [TowerTalk] elevated anchor guy points "Keith Dutson" keith@dutson.net Thu, 21 Oct 2004 18:17:40 -0500
 Just went out to measure the top, which took a bit of digging as it is about 6 inches below ground level. Looks to be 4 feet by 5 feet by 5 1/2 feet deep. Soil is sandy loam to 3 feet, then iron ore clay below. Keith NM5G -----Original Message----- From: Joe Subich, K4IK [mailto:k4ik@subich.com] Sent: Thursday, October 21, 2004 1:57 PM To: keith@dutson.net; 'TowerTalk' Subject: RE: [TowerTalk] elevated anchor guy points > 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? 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. _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://lists.contesting.com/mailman/listinfo/towertalk
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