Base Isolation for Seismic Retrofitting of a Multiple Building Structure: Evaluation of Equivalent Linearization Method

<div>(a) Shear versus transverse displacement relationship (seismic isolator SI-S 800/180). Sinusoidal displacement history. Loading frequency = 0.5 Hz. (b) Identification of mechanical parameters.</div>

Mathematical Problems in Engineering

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Figure 4

Figure 4: Base Isolation for Seismic Retrofitting of a Multiple Building Structure: Evaluation of Equivalent Linearization Method 