[TowerTalk] Rebar Cage Question

[Mark Robinson]

What about brazing using a gas torch and brass filler rods - is that a 
better way to go?


Mark N1UK G3ZZM


----- Original Message ----- 
From: "Larry Burke" <wi5a at sbcglobal.net>
To: <n9lah at comcast.net>; <towertalk at contesting.com>
Sent: Thursday, 26 July, 2007 3:32 PM
Subject: Re: [TowerTalk] Rebar Cage Question


>
> Phil...
>
> Welding on rebar is not the preferred method of construction, as it may
> weaken the steel. Before I knew better, I tried this once and the welds
> didn't hold well (and they were -- in theory anyway -- done by a
> professional). Not saying it can't be done, but there are many who argue
> against welding.
>
> - Larry
>
>
> -----Original Message-----
> From: towertalk-bounces at contesting.com
> [mailto:towertalk-bounces at contesting.com] On Behalf Of n9lah at comcast.net
> Sent: Thursday, July 26, 2007 2:06 PM
> To: towertalk at contesting.com
> Subject: Re: [TowerTalk] Rebar Cage Question
>
> OK now we are getting to the question I have been wanting to ask. Can a
> rebar cage work just as well if it is cut and welded together rather than
> bent and wire tied? It is my plan but thought I might toss the idea out 
> for
> the critics.
>
> Phil
> N9LAH
>
> -------------- Original message --------------
> From: Robert Hess <w1rh at yahoo.com>
>
>> Just built the cages for my Rohn 45 guy anchors.
>> First time for me. Quite a learning process. These cages are only
>> 2.5/2.5/1.5 and I could not make it work by bending the re-bar. Cut
>> each piece. Adding diagonals made a hell of a difference. I also used
>> multiple ties on each junction plus lots of extra re-bar pieces. Now
>> they are quite sturdy and ready to be set in place.
>>
>> Bob
>> W1RH
>> --- Larry Burke wrote:
>>
>> >
>> > Are there any tricks of the trade when it comes to
>> > making sturdy rebar
>> > cages? I have used tie wires, along with the tie
>> > wire tool, but mine tend to
>> > flop around when complete. Could I be tying the
>> > wires incorrectly? I realize
>> > it doesn't make a whole lot of difference once the
>> > concrete is poured, but
>> > I'd like to understand how to give these a more
>> > professional look and feel.
>> >
>> > On a somewhat related issue, an area Lowe's store is
>> > now stocking a ground
>> > clamp designed specifically for use on rebar. First
>> > time I have seen these
>> > at a big box store. They look similar to the type
>> > that clamps on a water
>> > pipe, but the clamp is designed to grab a smaller
>> > diameter "pipe" (the
>> > rebar) and accommodate a slightly larger ground
>> > wire. Useful for anyone
>> > planning a UFER ground, although I suspect a
>> > exothermic weld connection
>> > would be better.
>> >
>> >
>> > Larry Burke WI5A
>> >
>> >
>> >
>> > _______________________________________________
>> >
>> >
>> >
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>>
>>
>>
>>
>>
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