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Sensitivity of the Seismic Performance of Liquid Storage Tanks With Nonlinear Isolation Systems to Deviations in Mechanical Characteristics of the Seismic Isolators

“…As is the case for building type of structural systems, the desired seismic performance level can be effectively provided using base-isolation, which is an effective alternative earthquake resistant design method based on the concept of seismic performance by lengthening the fundamental period of the structural system [2]. However, seismic performances of base-isolated structures may be affected negatively from potential deviations that may occur in the mechanical properties of the isolators with respect to their nominal design values due to a variety of reasons such as the errors and/or uncertainties in the properties of the materials, dimensions of the elements, manufacturing methods, quality control and installation steps.…”