] [Thread] [Date] [Author]

[Jeremy White <admin(--nospam--at)structuralae.com>]

So epoxy coated bars, maximum clear cover and air entrainment would  
make for a pretty good structure and hopefully not be considered  
overkill.

I assume you would use air-entrainment on the LWC wearing course, too.

Thanks,
Jeremy



Quoting Francis Hsi <hchfrank(--nospam--at)hotmail.com>:

> Daryl,
>
>
>
> Don't forget the air entrainment in the concrete also.
>
>
>
> Regards!
>
>
>
> Francis Hsi
>
> > From: h.d.richardson(--nospam--at)shaw.ca
> > To: seaint(--nospam--at)seaint.org
> > Subject: Re: Concrete Exposed To Weather (Clear Cover)
> > Date: Tue, 4 Aug 2009 16:43:53 -0600
> >
> > Scott,
> >
> > We in Canada have the same problem. As you probably know we use
> > epoxy coated rebar to combat that problem.
> >
> > Regards,
> >
> > H. Daryl Richardson
> >
> > ----- Original Message -----
> > From: "Scott Maxwell" <smaxwell(--nospam--at)umich.edu>
> > To: <seaint(--nospam--at)seaint.org>
> > Sent: Tuesday, August 04, 2009 4:34 PM
> > Subject: RE: Concrete Exposed To Weather (Clear Cover)
> >
> >
> > > Personally, I would assume maximum exposure for a parking deck. Of
> > > course,
> > > I am biased by the fact that I am in Michigan where we salt the crap out
> > > of
> > > everything. Some pitiful, lonely snow flake falls on the road and we back
> > > up a salt truck and dump a hugh pile of salt on it.
> > >
> > > Point being that the water from run off from melting/melted snow/ice in
> > > the
> > > winter that gets "misted" up into the air will be full of salt ions and
> > > will
> > > likely still reach the bottom of the deck above. And this assumes that
> > > your
> > > wearing course and waterproof membrane never have issues that might result
> > > in water getting onto the bottom from above.
> > >
> > > Regards,
> > >
> > > Scott
> > > Adrian, MI
> > >
> > > -----Original Message-----
> > > From: Jeremy White [mailto:admin(--nospam--at)structuralae.com]
> > > Sent: Tuesday, August 04, 2009 4:29 PM
> > > To: seaint(--nospam--at)seaint.org
> > > Subject: Concrete Exposed To Weather (Clear Cover)
> > >
> > > The concrete parking deck I am working on will have a wearing course.
> > > Would the slab and beams that support the wearing slab be considered
> > > exposed
> > > to weather therefore requiring a 2" clear cover?
> > >
> > > The underside of the slab (and beams) is exposed to the effects of
> > > temperature change but will never see rain. The top side is not exposed
> > > to
> > > water because it is protected by the wearing course and a waterproofing
> > > membrane. So I think 1.5 inches is sufficient. Is there any consensus on
> > > this issue?
> > >
> > > - Jeremy
> > >
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