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Re: [TowerTalk] what is 'circular tie' as is used in a towers concrete b

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Subject: Re: [TowerTalk] what is 'circular tie' as is used in a towers concrete base?
From: Jim Lux <jimlux@earthlink.net>
Date: Tue, 20 Oct 2015 10:46:49 -0700
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
On 10/20/15 8:29 AM, StellarCAT wrote:
Rohn says to use 8 #7 rebar (SERIOUSLY! 7/8”!!) ... and then it shows
‘#4 circular ties 2 1/2” OC with 2” cover with 24” laps’


how big a diameter is that circle? A couple feet?

I've seen truckloads of coils of rebar going by me on the freeway, so I suspect it's something you can just order and cut to size. I suppose a suitable bending jig (like a drum full of concrete or something) with a long piece of pipe to help give leverage would also work. 1/2" rebar is bendable by standing on it and picking up the free end.

It also doesn't have to be circular with micron precision. 24" laps seems a bit long, considering the circumference of a 2 1/2 foot circle is less than 8 feet. Maybe they're assuming you'll use a 10 foot piece of bar to make the circle?


huh?

I’ve always just dug a hole – usually around 3 x 3 x 3 ... put the
tower section in (with temp guys) ... put in a few pieces of 1/2” re
bar and been done with it .... but now I have to follow the Rohn
specifications which seem onerous at best (I know, I know – guys that
say “follow it to the letter”) ... and I’ve no clue what #4 circular
tie is. SURELY its not #4 rebar BENT in a circle!?

Googling so far hasn’t shown me anything that helps.

Gary K9RX

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