Advances in Civil Engineering / 2018 / Article / Fig 10

Research Article

Earthquake Protection of Existing Structures with Limited Seismic Joint: Base Isolation with Supplemental Damping versus Rotational Inertia

Figure 10

Optimal TMDI design for different BIS damping ratios and soil conditions: (a) minimum OF achieved, normalized with respect to the case without TMDI; (b) optimal frequency ratio; (c) damping ratio.