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Fwd: Re: Fiber reinforced concrete slabs

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Bill, you are absolutely correct, Fibermesh is not intended to replace =
tension and temperature steel. This misconception is spreading rampant =
through the construction industry and is admittedly a problem recognized =
by Fibermesh. I believe that their original documentation implied that =
the additive would replace steel. Personally, I have seen many slabs =
crack with Fibermesh installed when the steel is omitted.
Fibermesh is intended to improve the finish of the concrete by reducing =
the small hairline cracks that are associated with curing. It is not =
intended to increase tension strength of the concrete sufficiently to =
guarantee against cracking.
Personally, I wish Fibermesh would make a comment about this that is =
available to the construction industry when an engineer or architect is =
not used - such as with "conventional framing" requirements for single =
family homes. The code does not require installation of temperature or =
tension steel in the slab nor does it specifically state that continuous =
reinforcement be added to the thickened slab edge footing.
Another reason to require engineering on all building projects.
Dennis Wish PE


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From: "Dennis S. Wish PE" <wish(--nospam--at)cyberg8t.com>
To: "'seaoc(--nospam--at)seaoc.org'" <seaoc(--nospam--at)seaoc.org>
Subject: RE: Fiber reinforced concrete slabs
Date: Sun, 9 Mar 1997 12:02:16 -0800
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