[TowerTalk] Concrete Bin Blocks for Guy Anchors

[David Gilbert]

I'm not familiar with these blocks, but similar ones I've seen often use 
stranded steel for the loops.  Are the loops large gauge stranded steel 
or solid?  If stranded I'd be concerned about corrosion over time, as 
well as flexing strain at the interface to the concrete due to vibration 
of the guy wires.

73,
Dave  AB7E


On 12/15/2018 4:49 PM, john at kk9a.com wrote:
> 150' of Rohn 55G tower is a pretty substantial structure and you do not want
> to skimp on one of the key components. To my knowledge there is no rebar in
> the premade blocks and I am guessing that the steel loops are designed just
> for transporting the blocks and not the thousands of pounds that can be
> created by guy cables.  Also even my 80' Rohn 55g tower has larger anchor
> slabs than one of these blocks.
>
> John KK9A
>
>
> KC8HZ wrote:
>
> I've been thinking about guy anchors for a tower I'll be putting up next
> spring. The tower will be 150 feet of Rohn 55 and it will require 3 triple
> guys.
> Instead of poured concrete for the guy anchors I've been thinking about
> using some of those Concrete Bin Blocks which are 2'x2'x4'. I'd bury them
> and attach the guy ends to the steel loops imbedded into the blocks.
> Does anyone have thoughts on them ?
>
> RoGrrr
> Roger
> KC8HZ
> Ohio
>
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