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RE: Concrete flat slab strengthening

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The literature published by Fibermesh et al, specifically mentions that all
established crack control procedures such as expansion/contraction joints,
etc., must be implemented.

Polypropylene FRC is NOT for "crack-control" in the conventional sense, but
is SUPPOSED to alleviate the shrinkage/drying cracks that typically occurs
during the initial concrete cure.

Whether it performs as advertised or not depends on to whom you speak.

FWIW, I no longer bother with it.

-----Original Message-----
From: Fountain Conner [mailto:fconner(--nospam--at)]
Sent: Tuesday, January 11, 2000 12:14 PM
To: seaint(--nospam--at)
Subject: Re: Concrete flat slab strengthening

>From a qualitative standpoint, I could see no improvement in crack-control
from plain concrete.