Hazard-consistent response spectra in the Region of Murcia (Southeast Spain): comparison to earthquake-resistant provisions

Gaspar-Escribano, J. M.; Benito Oterino, Belen y Garcia Mayordomo, Julian (2008). Hazard-consistent response spectra in the Region of Murcia (Southeast Spain): comparison to earthquake-resistant provisions. "Bulletin of Earthquake Engineering", v. 6 (n. 2); pp. 179-196. ISSN 1570-761X. https://doi.org/10.1007/s10518-007-9051-4.

Descripción

Título: Hazard-consistent response spectra in the Region of Murcia (Southeast Spain): comparison to earthquake-resistant provisions
Autor/es:
  • Gaspar-Escribano, J. M.
  • Benito Oterino, Belen
  • Garcia Mayordomo, Julian
Tipo de Documento: Artículo
Título de Revista/Publicación: Bulletin of Earthquake Engineering
Fecha: Mayo 2008
Volumen: 6
Materias:
Palabras Clave Informales: Ground-motion • Hazard deaggregation • Response spectrum • Spain • Eurocode 8 • NCSE-02
Escuela: E.T.S.I. en Topografía, Geodesia y Cartografía (UPM)
Departamento: Ingeniería Topográfica y Cartografía [hasta 2014]
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

Hazard-consistent ground-motion characterisations of three representative sites located in the Region of Murcia (southeast Spain) are presented. This is the area where the last three damaging events in Spain occurred and there is a significant amount of data for comparing them with seismic hazard estimates and earthquake-resistant provisions. Results of a probabilistic seismic hazard analysis are used to derive uniform hazard spectra (UHS) for the 475-year return period, on rock and soil conditions. Hazard deaggregation shows that the largest hazard contributions are due to small, local events for short-period target motions and to moderate, more distant events for long-period target motions. For each target motion and site considered, the associated specific response spectra (SRS) are obtained. It is shown that the combination of two SRS, for short- and long-period ground motions respectively, provides a good approximation to the UHS at each site. The UHS are compared to design response spectra contained in current Spanish and European seismic codes for the 475-year return period. For the three sites analysed, only the Eurocode 8 (EC8) type 2 spectrum captures the basic shape of the UHS (and not the EC8 type 1, as could be expected a priori). An alternative response spectrum, anchored at short- and long-period accelerations, is tested, providing a close match to the UHS spectra at the three sites. Results underline the important contribution of the frequent, low-to-moderate earthquakes that characterize the seismicity of this area to seismic hazard (at the 475-year return period).

Más información

ID de Registro: 2310
Identificador DC: http://oa.upm.es/2310/
Identificador OAI: oai:oa.upm.es:2310
Identificador DOI: 10.1007/s10518-007-9051-4
URL Oficial: http://www.springerlink.com/content/111183/?p=09e4e16a4bb44833b4009f1729b3f7b7&pi=0
Depositado por: Memoria Investigacion
Depositado el: 16 Feb 2010 09:12
Ultima Modificación: 20 Abr 2016 12:03
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