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Re: Lateral Bracing of Steel Beam

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An old rule of thumb is that the detail must be sufficient to provide a
lateral restraining force of 2 percent of the force in the member that
is to be braced. However, this is really a question of stiffness as well
as strength. These issues were the subject of an AISC/Structural
Stability Research Council short course on Stability Bracing by Prof.
Joe Yura (U of Texas-Austin) and Prof. Todd Helwig (U of Houston). If
you want a copy of the lecture notes, contact Bob Lorenz here at AISC
(lorenz(--nospam--at) Not sure if there is a charge, but Bob can tell


Suresh wrote:
> Interested in knowing your opinion:
> Do you think wood joists hanging from a nailer (using Simpson top-flange
> hangers) bolted to the top flange of a W-section beam provide enough
> lateral bracing to the top compression flange to qualify it as a
> contiuouslly braced beam? Joists occur on one or both sides of the
> beam.
> Your opinion is highly appreciated. Thank you.
> Suresh