In a message dated 12/10/2008 7:26:42 A.M. Pacific Standard Time,
towertalk-request@contesting.com writes:
> I have heard it said many times that one should not weld the rebar cage
together, but tie it together using tie wires. But I have never heard any
explanation of why.
> What problems would be caused by welding? I can't see how such a minor
detail would make any significant difference, but a welded cage is certainly
easier to handle before the concrete is poured in, and less likely to fall
apart just as the concrete is being dumped.
The answer that it is made from scrap metal makes it difficult to know
what you're welding as was stated previously. I think that you can braze it
though.
This is only a problem if you're using your rebar cage for an Ufer
ground and you need the electrical continuity. For all other applications,
wire
ties are fine.
Cheers,
Steve K7LXC
TOWER TECH
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