On 12/15/18 8:28 PM, john@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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