In a message dated 99-09-18 07:28:47 EDT, w2up@mindspring.com writes:
> If it truly is the case that there is little or no oxygen in the concrete,
> why do they tell you to make sure the rebar is competely within the
> concrete? If it sticks out, it would only rust/corrode where metal is
> in contact with the soil.
The problem is that the rust will migrate over time so eventually all
the rebar is rusted and structurally useless.
Cheers, Steve K7LXC
http://www.championradio.com
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