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RE: Modeling Diaphragm Stiffness of Unreinforced Masonry

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From: "Rodrigo Lema" <rlema(--nospam--at)arnet.com.ar>
Reply-To: seaint(--nospam--at)seaint.org
To: <seaint(--nospam--at)seaint.org>
Subject: RE: Modeling Diaphragm Stiffness of Unreinforced Masonry
Date: Sat, 1 May 1999 15:12:37 -0300

The basic idea lying under the modelling of a wall as an x-brace is to take into account the added stiffnes to the structure and the deformation pattern that will govern the behaviour of the infilled frame.
    It will no longer deform as a frame, but more like a wall.
You should check the wall with the shear force that acts in the story. There are plenty of failure criteria for masonry, most of which are something like Tu= T0 + k x N; where k is a friction coefficient, T0 is the shear strenght of the mortar and N is the normal force applied to the wall.


Rodrigo.
i´m portuguese and dónt sppek inglis
spain'


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