What are building structure seismic plane, elevation layout

What are building structure seismic plane, elevation layout requirements?
 
The building plane and vertical layout should be regular and symmetrical, uniform mass and stiffness changes, to avoid the staggered floor.
 
For complex buildings should be taken:
 
(1) without seismic on building structure, but the response to seismic analysis, estimation of the local stress and deformation and torsion effect, identify its vulnerable parts, or to take measures to strengthen the high embankment deformation capacity measures.
 
(2) set seismic joints to separate buildings into regular structural units.

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