Ground-motion suite selection for eastern north America / E. M. Hines in Journal of structural engineering, Vol. 137 N° 3 (Mars 2011)  

Public ISBD [article]  inJournal of structural engineering > Vol. 137 N° 3 (Mars 2011) . - pp. 358-366 Titre : Ground-motion suite selection for eastern north America Type de document : texte imprimé Auteurs : E. M. Hines, Auteur ; L. G. Baise, Auteur ; S. S. Swift, Auteur Année de publication : 2011 Article en page(s) : pp. 358-366 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Ground motions Suite selection Site class Seismic performance Earthquakes Structural behavior Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : Ground-motion suite selection for Eastern North America (ENA) is distinguished from suite selection for high seismic regions by uncertainty related to earthquake intensity, spectral shape, and the wide range of relevant periods experienced by low-ductility structures. Whereas trends in high seismic regions point toward developing smaller, more efficient suites for use in practice based on reliable intensity parameters, current research on moderate seismic regions requires the development of ground-motion suites capable of exciting the widest range of structural periods while accounting for uncertainty related to ground-motion intensity. This paper discusses uncertainty related to ENA ground motions in terms of the logic tree in the probabilistic seismic hazard analysis (epistemic uncertainty) and the deaggregation of hazard into magnitude and distance bins (aleatory uncertainty), recommends a suite selection process for addressing this uncertainty without amplitude scaling, and evaluates the effectiveness of a specific suite in the context of reliability-based performance assessment procedures. DEWEY : 624.17 ISSN : 0733-9445 En ligne : http://ascelibrary.org/sto/resource/1/jsendh/v137/i3/p358_s1?isAuthorized=no [article] Ground-motion suite selection for eastern north America [texte imprimé] / E. M. Hines, Auteur ; L. G. Baise, Auteur ; S. S. Swift, Auteur . - 2011 . - pp. 358-366. Génie Civil Langues : Anglais (eng) in Journal of structural engineering > Vol. 137 N° 3 (Mars 2011) . - pp. 358-366 Mots-clés : Ground motions Suite selection Site class Seismic performance Earthquakes Structural behavior Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : Ground-motion suite selection for Eastern North America (ENA) is distinguished from suite selection for high seismic regions by uncertainty related to earthquake intensity, spectral shape, and the wide range of relevant periods experienced by low-ductility structures. Whereas trends in high seismic regions point toward developing smaller, more efficient suites for use in practice based on reliable intensity parameters, current research on moderate seismic regions requires the development of ground-motion suites capable of exciting the widest range of structural periods while accounting for uncertainty related to ground-motion intensity. This paper discusses uncertainty related to ENA ground motions in terms of the logic tree in the probabilistic seismic hazard analysis (epistemic uncertainty) and the deaggregation of hazard into magnitude and distance bins (aleatory uncertainty), recommends a suite selection process for addressing this uncertainty without amplitude scaling, and evaluates the effectiveness of a specific suite in the context of reliability-based performance assessment procedures. DEWEY : 624.17 ISSN : 0733-9445 En ligne : http://ascelibrary.org/sto/resource/1/jsendh/v137/i3/p358_s1?isAuthorized=no

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