Study on Passive and Semiactive Control Systems in Structures under Near- and Far-Field Earthquakes

Figure 6

Average percentage of improvement in performance criteria: (a) regular structure subjected to near-field earthquakes, (b) stiffness irregularity in the 1st–5th stories of structure subjected to near-field earthquakes, (c) stiffness irregularity in the 1st story of structure subjected to near-field earthquakes, (d) stiffness irregularity in the 5th story of structure subjected to near-field earthquakes.

(a)

(b)

(c)

(d)