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RE: Fibermesh Topping Slab[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: "'seaint(--nospam--at)seaint.org'" <seaint(--nospam--at)seaint.org>
- Subject: RE: Fibermesh Topping Slab
- From: "Sprague, Harold O." <spragueho(--nospam--at)bv.com>
- Date: Fri, 3 Oct 2003 09:04:26 -0500
I have done the steel fiber deal, too. They perform very well. The only down side is the potential for balling in the truck. But if you can get them dispersed in the mix, they perform very well. But that is a big if.
I would never use polypropylene fibers for anything except to reduce rebound in shotcrete, but you have to use them at 15 pounds per cubic yard or more in that application. And even then, I would prefer steel fibers.
The biggest lesson is to look at all vendors with a suspicious eye. I normally require a test placement with new concrete products. But you only find the problems with something like polypropylene fibers when you do a full scale placement. And then it is too late. On the plus side, polypropylene fibers create almost as much work for lawyers and repair specialists as did Sarabond. Good news for lawyers is bad news for engineers.
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