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RE: EBF Systems

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I’m not certain but I think it has something to do with the location and formation of plastic hinges. It is preferable that the hinges form in the members not the connections, and further preferable that the hinges are in beams not columns. Beams can go into catenary and still support load, columns will collapse. If hinge occurs in member  then may be possibility of repair, by replacing beam. If connection fails then may have to replace column.


My understanding of an EBF is that there is potential for formation of plastic hinge in column.



Conrad Harrison

B.Tech (mfg & mech), MIIE, gradTIEAust



South Australia

From: rahman shahshenas [mailto:remish60(--nospam--at)]
Sent: Thursday, 12 June 2008 16:28
To: seaint(--nospam--at)
Subject: EBF Systems


Hello All,

 In regard to Eccentrically Braced Frames, do you know any method for installing such braces at excisting R/C buildings, and why applying EBF at high gravity is unfavorable.


Bogazici University