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Re: [TowerTalk] How is the best way to bend rebar

To: Scotty Rathjen <>, <>
Subject: Re: [TowerTalk] How is the best way to bend rebar
Date: Sun, 27 Aug 2006 01:43:48 +0000
List-post: <>

     Five years ago (at a much younger age!) I bent about 20 #6 (3/4 inch) 
rebars for my tower project in less than a couple of hours.  You'll have to 
make a trip to the local Home Despot or Lowe's for the tools.  

     I bought one six foot long piece of iron water pipe about 1 inch or so 
inches in (inner) diameter, and another piece about three feet long.  In my 
case I wedged the longer piece between the outrigger legs of the backhoe that 
was digging my tower foundation, but you can simply (?) drive your rear wheels 
of a car/truck over it to keep it in place.  Then insert the rebar into the 
pipe up to the point you want to bend.  Next, slide the shorter pipe over this 
end and leave about an inch of space on either side of the bend spot.  I marked 
the bends on the rebar with yellow tape.

     All you have to do (he said blithely) is lift up on the end of the shorter 
iron pipe and the rebar should bend quite readily to whatever angle you choose. 
 As I said I bent about twenty bars pretty quickly this way, although I was a 
bit sore.  

     All these instructions assume you are going to put only one bend of at 
most 90 degrees into each rebar piece.  If you need to make compound bends or 
multiple bends, I believe this technique is a bit too simplistic.  And don't 
forget to remove the tape before you pour concrete.

73 de
Gene Smar  AD3F

 -------------- Original message ----------------------
From: "Scotty Rathjen" <>
> Hi Gang,
> Just finished making one rebar cage and have more to do.  Bending  # 4 (half
> inch diameter) rebar is not so easy.  Can I use a torch to heat up the rebar
> so that I can easily bend it or does this cause a problem to the rebar
> strength or make it too brittle?
> Thanks for any and all help.
> 73 de W7SW Scotty  W7SWatARRLdotNET
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