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Re: Perforated Shear Wall Approach

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The Matsumoto/Sugiyama research and corresponding APA Research Report
(157?) consider multiple openings in the derivation of effective equivalent
shear capacities for perforated shearwalls.  The theory is based upon
vierendial truss frame mechanics, where frame rigidity is created by the
composite interaction of single-face built-up plywood beams and plywood
gussets.   I will send an exhibit to you later this afternoon.

"Gina Gobo" <GoboGT(--nospam--at)> on 06/29/2000 03:59:13 PM

Please respond to seaint(--nospam--at)

To:   <seaint(--nospam--at)>
Subject:  Perforated Shear Wall Approach

Is the perforated shear wall approach permited to be used on walls with
more than one opening? I have a wall that is 32ft long with three window
openings. There are four full height wall piers, two of which are not being
utilized because the allowable height to width ratio is exceeded. What I
would like to do is consider the wall as a whole using the perforated
shearwall approach. However, all of the documentation that I have is for
walls with only one opening. Does anyone have any suggestions on how
multiple wall openings can be analyzed without using the segmented shear
wall approach?