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Nonlinear dynamic analysis of multi-base seismically isolated structures with uplift potential II: verification examples

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Abstract

The work presented in this paper serves as numerical verification of the analytical model developed in the companion paper for nonlinear dynamic analysis of multi-base seismically isolated structures. To this end, two numerical examples have been analyzed using the computational algorithm incorporated into program 3D-BASIS-ME-MB, developed on the basis of the newly-formulated analytical model. The first example concerns a seven-story model structure that was tested on the earthquake simulator at the University at Buffalo and was also used as a verification example for program SAP2000. The second example concerns a two-tower, multi-story structure with a split-level seismic-isolation system. For purposes of verification, key results produced by 3D-BASIS-ME-MB are compared to experimental results, or results obtained from other structural/finite element programs. In both examples, the analyzed structure is excited under conditions of bearing uplift, thus yielding a case of much interest in verifying the capabilities of the developed analysis tool.

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Author information

Authors and Affiliations

  1. Department of Civil and Environmental Engineering, University of Cyprus, Nicosia, Cyprus

    Panayiotis C. Roussis

  2. Department of Civil Engineering, University of Thessaly, Volos, Greece

    Panos C. Tsopelas

  3. Department of Civil, Structural and Environmental Engineering, University at Buffalo, State University of New York, Buffalo, NY, USA

    Michael C. Constantinou

  4. Department of Civil and Environmental Engineering, University of Cyprus, 75 Kallipoleos Avenue, P.O. Box 20537, Nicosia, 1678, Cyprus

    Panayiotis C. Roussis

Authors
  1. Panayiotis C. Roussis
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  2. Panos C. Tsopelas
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  3. Michael C. Constantinou
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Corresponding author

Correspondence to Panayiotis C. Roussis.

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Supported by: Multidisciplinary Center for Earthquake Engineering Research

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Roussis, P.C., Tsopelas, P.C. & Constantinou, M.C. Nonlinear dynamic analysis of multi-base seismically isolated structures with uplift potential II: verification examples. Earthq. Engin. Engin. Vib. 9, 83–91 (2010). https://doi.org/10.1007/s11803-010-9047-y

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  • DOI: https://doi.org/10.1007/s11803-010-9047-y

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