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Re: Progressive Collapse Design

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We just completed a progressive collapse analysis using the pushover feature of SAP2000. The roof structure is a space frame. We found that SAP became unstable following buckling of certain members. We therefore had to manually alter the member properties of the buckled members after each iteration.

From: "James Lane, P.E." <jamesalane(--nospam--at)>
Reply-To: seaint(--nospam--at)
To: seaint(--nospam--at)
Subject: Progressive Collapse Design
Date: Mon, 09 Aug 1999 14:11:27 EDT

I have an upcoming project requiring design for progressive collapse. What
are the sources for such design, manuals, FM's, books, etc? Has anyone used
RAM Xlinea for such design?

I believe if you have not been required to design with this in mind you will
in the near future.

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