[TowerTalk] Concrete Bin Blocks for Guy Anchors

[jimlux]

On 12/15/18 8:28 PM, john at kk9a.com wrote:
> There may be different grades or styles of concrete Bin blocks.  The ones
> shown here:  http://www.redirockmd.com/bin-blocks/ mention using structural
> fiber reinforcement which is not the same as rebar and I see no indication
> of how the hook is attached. 

You're probably right.. those might like the things they use for rip-rap 
and erosion control.


Jersey Barriers are a different shape and
> pretty long I think. I could see some uses for premade concrete blocks in
> temporary setups or maybe even a pier pin base but I think it would require
> more research before using them for guy anchors on a permanent 150 ft tower.

I've seen some "temporary" installations for more than a year using the 
big 5000# blocks (multiples on each guy)


> 
> John KK9A
> 
> 
> 
> [TowerTalk] Concrete Bin Blocks for Guy Anchors
> jimlux jimlux at earthlink.net
> Sat Dec 15 20:07:02 EST 2018
> 
> I've seen the 5000 pound blocks (about a cubic yard) used for anchoring
> guys on professionally erected structures, so maybe some have rebar,
> some don't.
> 
> K-rail/Jersey Barriers definitely have rebar, and are often available
> inexpensively - for a "field day" kind of op where you need it for a
> week, they're rentable.  They typically have a couple holes through them
> through which you could loop a guy anchoring sling.
> 
> 20 foot K-rail is 8000 lbs. (at least the ones in Southern California..
> they may differ by region)
> 
> A few hundred dollars each to buy them.
> 
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