On ground motion intensity indices

dc.contributor.authorRiddell, Rafael
dc.date.accessioned2024-01-10T13:15:48Z
dc.date.available2024-01-10T13:15:48Z
dc.date.issued2007
dc.description.abstractThe characterization of strength of earthquake demands for seismic analysis or design requires the specification of a level of intensity. Numerous ground motion intensity indices that have been proposed over the years are being used for normalizing or scaling earthquake records regardless of their efficiency. An essential point of this study is that a ground motion index is appropriate, or efficient, as long as it can predict the level of structural response. This study presents correlations between 23 ground motion intensity indices and four response variables: elastic and inelastic deformation demands, and input energy and hysteretic energy; nonlinear responses are computed using elastoplastic, bilinear, and bilinear with stiffness degradation models. As expected, no index is found to be satisfactory over the entire frequency range. Indeed, indices related to ground acceleration rank better in the acceleration-sensitive region of the spectrum; indices based on ground velocity are better in the velocity-sensitive region and, correspondingly, generally occur in the displacement-controlled region. Despite frequent criticism, the peak ground motion parameters passed the test successfully. A ranking of indices is presented, thus providing a choice of the most appropriate one for a particular application in the frequency range of interest.
dc.fechaingreso.objetodigital2024-05-15
dc.format.extent27 páginas
dc.fuente.origenWOS
dc.identifier.doi10.1193/1.2424748
dc.identifier.eissn1944-8201
dc.identifier.issn8755-2930
dc.identifier.urihttps://doi.org/10.1193/1.2424748
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/78532
dc.identifier.wosidWOS:000245083400009
dc.information.autorucIngeniería;Riddell R;S/I;98879
dc.issue.numero1
dc.language.isoen
dc.nota.accesocontenido parcial
dc.pagina.final173
dc.pagina.inicio147
dc.publisherSAGE PUBLICATIONS INC
dc.revistaEARTHQUAKE SPECTRA
dc.rightsacceso restringido
dc.subject.ods11 Sustainable Cities and Communities
dc.subject.odspa11 Ciudades y comunidades sostenibles
dc.titleOn ground motion intensity indices
dc.typeartículo
dc.volumen23
sipa.codpersvinculados98879
sipa.indexWOS
sipa.indexScopus
sipa.trazabilidadCarga SIPA;09-01-2024
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