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RE: Diaphragm circa 1971

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I don't have the info you are requesting, but when the fill material gets
wet it may turn to mush.  Check its consistency when it gets wet ... i.e.
leaky roof.  

The application of this system I am familiar with used "bulb tees" and fiber
board which served as a form for an insulating fill and acoustical tile
ceiling.  The reinforcement was draped chicken wire.  

Paul Martin
Wichita, KS


-----Original Message-----
From: Balmer James [mailto:James.Balmer(--nospam--at)rsandh.com]
Sent: Wednesday, September 12, 2001 2:31 PM
To: 'seaint(--nospam--at)seaint.org'
Subject: Diaphragm circa 1971


I am looking for a reference on determining the allowable diaphragm shear
strength of a roof system comprised of rolled tees and form board below lt
wt concrete insulation.  Any help is appreciated.

James

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