[TowerTalk] Rebar Cage Question

[chas]

Donald Chester wrote:
> 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.
> 
> Don k4kyv
> 

in another life I was a sign inspector and our in house plan checkers
(PEs) said that welding weakened the steel..  there were a couple
others but they were sort of arcane and I have since forgotten them.
hope that helps
chas, k5dam