04-24-2010, 12:20 AM
(04-23-2010, 05:45 PM)zipatton Wrote: Why not dear Rafik ? if we are on the stair of the spectrum then it is the same base shear !
Zipatt
Yes dear zipatton, you are right, for periods of the plateau region of the response spectrum we have same acceleration (and base shear). But between period of 0.97sec and 2.37sec we can not be in the plateau region.