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Anonymous Poster

Fiber Reinforced Polymer used in construction industry applications.

09/30/2007 12:18 PM

I am seeking information about RFP applications used to strengthen and repair PCCP (prestressed cylindrical concrete pipe). Also FRP applications used to repair and strengthen bridges and other structures.

Thank you

Bob O'Brien

robrien@rwoco.com

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#1

Re: Fiber Reinforced Polymer used in construction industry applications.

10/01/2007 7:55 PM

Hi Bob, a few questions , new or old pipes?, wet or dry? ,frp will work, really bad breaks may require full hoop banding, it would be a really busted pipe that could not be saved. More info please. from wayne . at advantageglass1@bigpond.com

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#2

Re: Fiber Reinforced Polymer used in construction industry applications.

10/02/2007 3:13 AM

Hi Bob

Be a bit careful with old fibre reinforced concrete. Old (Pre 1970) concrete pipes here in Australia used asbestos as the fibre of choice. It works very well as long as you don't damage the surface. If you have areas that are already damaged you potentially have liberated asbestos fibres so masks and suites should be worn.

If you have to do any work on the pipe to prepare it for repairs, like grinding out cracks or sawing out damaged sections to form up for a patch, if it produces any dust you maybe producing air born asbestos.

Not a desirable situation!

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#3

Re: Fiber Reinforced Polymer used in construction industry applications.

10/04/2007 2:18 AM

Bob, You may wish to contact..Professor Hamid Saadatmanesh PhD he holds several patents on this technology as well as be a leading authority on its applications Hamid can be reached at saadatmanesh@aol.com or at the University of Arizona 520-621-2148 David Wilburn
Mobile: 520-603-0306 wilsale@aol.com

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