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Ground Motion Selection Criteria: CMS Approach

  • Unique Paper ID: 172898
  • Volume: 11
  • Issue: 9
  • PageNo: 1168-1175
  • Abstract:
  • Conditional-Mean-Spectrum (CMS) approach is elaborated & defined as a tool for the ground motion selection with contrast to structural engineers. Earlier traditional approaches for selecting ground motion criteria and their evolution, have set a platform to generate ‘Conditional Mean Spectrum (CMS)’ approach, proposed by Jack W. Baker1. Uniform-Hazard spectrum based on ‘PSHA’ determines various numbers of deterministic response spectra while CMS deals the mean value of response spectra, which is conditioned on a single target spectral acceleration of the structure’s fundamental period (T*). In this technical note, a brief discussion on, ‘Why adopt CMS over UHS’ is answered. Also steps to apply CMS approach is discussed with examples based on Indian site conditions.
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  • ISSN: 2349-6002
  • Volume: 11
  • Issue: 9
  • PageNo: 1168-1175

Ground Motion Selection Criteria: CMS Approach

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