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Random Vibration and Response Spectrum Approaches in Seismic Structural Designs

  • M. P. Singh
Conference paper
Part of the International Union of Theoretical and Applied Mechanics book series (IUTAM)

Summary

In seismic design of structures, the smoothed response spectra are commonly used as design inputs. The random vibration analyses of structures have led to the development of several methods which employ these spectra for the calculation of design response and for generation of floor spectra. Here, an overview of these approaches, applicable to the proportionally as well as nonproportionally damped systems, is presented. Recent research work leading to the development of new response spectrum approaches which employ relative acceleration and relative velocity spectra as seismic inputs is emphasized. These new approaches are based on the method of mode acceleration and are better alternatives to the mode displacement approaches, currently in use.

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Copyright information

© Springer-Verlag, Berlin, Heidelberg 1985

Authors and Affiliations

  • M. P. Singh
    • 1
  1. 1.Department of Engineering Science and MechanicsVirginia Polytechnic Institute and State UniversityBlacksburgUSA

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