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Re: Beach Sand

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Sea salt is a lot more than sodium chloride, the sulfates and many other
things will attack the portland cement itself.  The sand can be washed in
fresh water, and test cylinders made.  Unless you are going to make a lot of
concrete, it'll probably be safer, cheaper and easier to buy sand from the
supplier of the remaining aggregate.

Pat Quinn
Henderson, Nevada


----- Original Message -----
From: "Peter De Vere" <m-p.devere(--nospam--at)worldnet.att.net>
To: <seaint(--nospam--at)seaint.org>
Sent: Tuesday, November 30, 1999 9:59 PM
Subject: Re: Beach Sand


> Can galvanized or epoxy-coated rebar be used and a admixture used to
> negate the high salinity???
>
>
> Peter  De Vere
> Houston, Texas
>
> MRodrig273(--nospam--at)aol.com wrote:
> >
> > I agree.  Beach sand is very high in chloride which will eventually end
up
> > rusting you rebar.  Rusted rebar will cause spalling in concrete and
> > eventually may cause structural failures.  I would stay away from
anything
> > that is salty to mix with concrete.