The unsymmetrical layout of their frames shifts their center of rigidity away from the center of mass, resulting in torsion on the rigid diaphragm which would account for the variation in drift values at different points in the diaphragm (the no eccentricity designation for the seismic load case would be for code eccentricity)
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best lecture regarding building diaphragm in youtube, thank you so much
Really appreciate your efforts on this video, very helpful!
Thank you! Great video.
Is RAM FRAME integrated with StAAD Pro V8?
For rigid diaphragm you must get same drift at the different points
But in the table you shown drift values are different at different points
The unsymmetrical layout of their frames shifts their center of rigidity away from the center of mass, resulting in torsion on the rigid diaphragm which would account for the variation in drift values at different points in the diaphragm (the no eccentricity designation for the seismic load case would be for code eccentricity)