No, then you'll have a cold joint which can let water in to attack the
steel rebar. Tell him to just form it up properly; it is a little more
difficult to do. If you have to do two pours, then specify that epoxy
bonding agent be liberously applied to the first surface. This will
bond the two pours together and is actually a stronger joint than the
concrete itself. Phil KB9CRY
Wes Cosand wrote:
> I am planning the installation of a self-supporting tower. My
> contractor asked me a question to which I don't know the answer. Is
> there any reason why he cannot pour the base in two pours as long as
> they are tied together by the rebar cage? The plans call for the
> foundation to be 9 x 9 at the base and then 5 x 5 at the surface. He
> would prefer to pour the 18" thick 9 x 9 foot section before the 5 x 5
> foot section. Any reason why not?
>
> Thanks
>
> Wes, WZ7I
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