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RE: FRP Reinforcement

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Ditto, Bob:


Fyfe is an excellent company.


I highly recommend them.




David L. Fisher SE PE

Senior Principal


Fisher and Partners

372 West Ontario

Suite 301

Chicago 60654


312.622.0409 (m)


312.573.1726 (f)



-----Original Message-----
From: Bob Freeman [mailto:robert.freeman(--nospam--at)]
Sent: Tuesday, July 28, 2009 4:12 PM
To: seaint(--nospam--at)
Subject: FRP Reinforcement


Hi Timothy:


FRP is very strong in tension.  In designing beams and columns, we ask for a calculation from the manufacturer.  Fyfe Co. has been very good providing this for IDS.  rob(--nospam--at) Contact Robert Fyfe. (858) 642-0694.  They will provide type of FRP and number of layers, factor of safety, etc.  Give Fyfe the existing beam info. and your loads.  They will also give you a construction estimate.



IDS Group, Inc.

Bob Freeman, Architect, EIT





From: Timothy Hilton [mailto:thilton(--nospam--at)]
Sent: Tuesday, July 28, 2009 1:59 PM
To: seaint(--nospam--at)
Subject: FRP Reinforcement


When reinforcing an existing concrete beam with FRP, do we just design for a brittle failure since it doesn’t yield?  I know ACI has a document but I don’t have it and I want to confirm that designing the reinforcing is a matter of simple mechanics, as with normal steel reinforcing.  Is there anything I’m missing?


I just need enough to explain to our client how we want to do it.    


Timothy K. Hilton, E.I.

Engineering Intern



P.O. Box 10567

1015 Wade Avenue

Raleigh, NC 27605-0567


919.832.5587 x 20