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Re: cast-in-place side walks/walk way/foot walk------ treatment ofjoints

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Dear Nabil,

Contarct specs call for sealnts for expansion joints & its silent about control joints; the control joints are basically tooled (saw cut) joints.

I intend to agree with your comments.

Thanx for the response. Regards,

Syed Faiz Ahmad; Mengg, Masce

Senior Structural Engineer

Saudi Oger Ltd,

Riyadh, Saudi Arabia 

>From: nabilhamed(--nospam--at)maktoob.com (nabil ali)
>Reply-To:
>To:
>Subject: Re: cast-in-place side walks/walk way/foot walk------ treatment ofjoints
>Date: Tue, 10 Sep 2002 06:50:48 -0400
>
>
>Syed,
>I think contract documents,if they state so, will dominate. If they don't, I
>support your logic.
>
>Nabil
>----- Original Message -----
>Subject: Re: cast-in-place side walks/walk way/foot walk------ treatment of
>joints
>Sent: Mon, 9 Sep 2002 15:33:16 -0400 (EDT)
>From: Scott Maxwell
>To:
> > All the sidewalks in my neck of the woods have NO sealant in the joints.
> >The joints are either just a tooled joint left "bare" or a construction
> >joint with a "bond breaker"/pourstop in the joint.
> >
> >Joint spacing is at about a 2:1 to 1:1 ratio (i.e. sidewalk width is
> >typically about 3 feet wide and joints are typically about 3 to 5 feet
> >apart).
> >
> >HTH,
> >
> >Scott
> >Ypsilanti, MI
> >
> >
> >On Mon, 9 Sep 2002, syed faiz ahmad wrote:
> >
> >> Hello All,
> >>
> >> The issue is the joint treatment for the above mentioned items of work.
> >> We have a considerable lenghts of side walks for the project. As a
> >> Contarctor we would prefer to have:
> >> - minimum possible amount of joints
> >> - to economise, to do away with any sealing of joints.
> >>
> >> For Rigid Concrete Pavement, or for that matter a slab-on-grade, sealing
> >> of grooves of joints is understandable. That is, it is required to
> >> prevent water or dirt moving under the pavement/slab which might trigger
> >> pumping & thereby damage the subbase & eventually the pavement/slab
> >> itself.
> >>
> >> But for a lightly loaded pedestrian side walk, is there really a need
> >> to seal the joints? Given the fact that the region is arid, with very
> >> scanty rains, and the chances of water getting under is slim. But even if
> >> it gets thru, so what, its only a lightly loaded side walk.
> >>
> >> The Consultant to the project is insisting for sealing the joints, which
> >> I feel it doesn't warrant a technical need for the same.
> >>
> >> Any thought based on individual experience? Thanx in advance,
> >>
> >> Syed Faiz Ahmad; MEngg, Masce
> >> Senior Structural Engineer
> >> Saudi Oger Ltd
> >> Riyadh, Saudi Arabia.
> >>
> >>
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