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Analysis

by
Task Committee on Seismic Isolation of the Seismic Effects Committee of the Dynamic Effects Technical Activity Committee of the Structural Engineering Institute of ASCE


Part of: Primer on Seismic Isolation

Abstract:

This chapter presents a brief overview of the current analytical modeling techniques for isolated structures. Perhaps the biggest challenge in the design of an isolated structure is incorporating the effects of nonlinear isolator behavior in the analysis. Furthermore, seismic response of an isolated structure can be sensitive to variations in the properties of the isolators. Therefore bounding analyses are required to assess the expected range of performance of the structure. Finally, while design codes usually contain provisions allowing equivalent static or response spectrum methods of analysis under limited conditions, for most practical structures, time-history analysis is required.

Subject Headings: Structural analysis | Structural behavior | Base isolation | Structural models | Structural design | Standards and codes | Seismic tests

 

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