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Rigidity of a curved masonry shear wall

Rigidity of a curved masonry shear wall

Rigidity of a curved masonry shear wall

(OP)
I am designing a 5-story bldg which has a circular area overlapping a rectangular area in plan.  I want to utilize a reinforced masonry shear wall which runs along roughly half of the circular perimeter.  Also, in the rectangular portions I have braced frames, moment frames, and straight masonry shear walls.  

Can anyone recommend a good method or some reference material for determining the circular wall's contribution in resisting lateral loads in the orthogonal directions?  I will also have considerable torsional moment in the floor diaphragms which may bring up other questions for this forum soon.

Any help would be much appreciated.

RE: Rigidity of a curved masonry shear wall

You could break the curved wall up into straight segments and use the straight (angled) walls to do your rigid diaphragm analysis.  There's a spreadsheet on one of the SEA websites that might give some insight.

http://www.seaoc.org/software.html

Good luck!

M.

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