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RE: Non-Structural Seismic Restraint

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No,

 

But check out unistrut, they have some good examples for bracing ideas. I believe the UBC will tell you how often you need compression struts for T-Bar ceilings, it’s in the Architectural portion if I remember correctly (I.e. vol i) … it’s something like every 144 sq. ft you need a compression strut. If your room is small enough, you can make the walls act as the brace by making the t-bar grid act as a diaphragm (i.e you prevent the pendulum swing that would require the compression struts).

 

The system is usually done with wires @ 45 degrees with a 3/8 or so dia rod (depending on the length for buckling). You can use unistrut with bolts to lessen the unbraced length of the compression rod.

 

I assume their website is www.unistrut.com but it’s just a guess.

 

Hope that helps,

 

-gerard

Santa Clara, CA

 

-----Original Message-----
From: vicpeng [mailto:vicpeng(--nospam--at)telus.net]
Sent: Monday, July 08, 2002 7:17 PM
To: SEAINT
Subject: Non-Structural Seismic Restraint

 

I am looking for the ICBO report on the restraint of non-structural systems like T-Bar ceilings etc.  The report makes comment/instruction on the use of compression struts at all ties points of the restraint system.

 

Does anyone know the report number?

 

Thanks


Thor A Tandy  P.Eng, MIPENZ
Victoria BC
Canada
e-mail: vicpeng(--nospam--at)telus.net