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dc.contributor.authorBernal Granados, Gabriel Andres
dc.contributor.authorOrdaz Schroeder, Mario Gustavo
dc.contributor.authorSalgado Gálvez, Mario Andrés
dc.contributor.authorCardona Arboleda, Omar Dario
dc.contributor.authorBarbat Barbat, Horia Alejandro
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament de Resistència de Materials i Estructures a l'Enginyeria
dc.date.accessioned2015-06-19T13:58:17Z
dc.date.created2015
dc.date.issued2015
dc.identifier.citationBernal, G. [et al.]. Procedimiento numérico para la calibración de un modelo de espectro de fuente para la obtención de funciones de atenuación y su aplicación en Colombia. A: Congreso Nacional de Ingeniería Sísmica. "Estado del arte de ingeniería sísmica en Colombia: VII Congreso Nacional de Ingeniería Sísmica 2015". Bogotá: Ediciones Uniandes, 2015, p. 610-619.
dc.identifier.isbn978-958-774-168-1
dc.identifier.urihttp://hdl.handle.net/2117/28358
dc.description.abstractA numerical procedure for the calibration of a source spectrum model to find the optimal combination of seismological parameters and derive unbiased ground motion prediction equations is presented, using available accelerogram recordings as calibration target. The source spectrum model is used to compute the radiated spectra of SH- waves for different seismic moments and hypocentral distances, combining point (far field) and finite (near field) source models. The expected value of the peak ground acceleration is computed from the radiated spectra using random vibrations theory. A genetic algorithm is used to search for the source spectrum parameters that best fit the available strong motion recordings. The procedure can be applied to any region with statistically significant accelerogram records. The proposed methodology is followed to derive spectral ground motion prediction equations compatible with the seismotectonic environment of Colombia, using 206 strong motion recordings as the calibration target. The obtained ground motion prediction equations are compared with those used in the latest national seismic hazard assessment study of Colombia. The comparison shows that the strong ground motion prediction equations obtained using the proposed methodology have lower residual bias, showing reasonable matching between them and the real strong motion recordings.
dc.format.extent10 p.
dc.language.isospa
dc.publisherEdiciones Uniandes
dc.subjectÀrees temàtiques de la UPC::Enginyeria civil::Geotècnia::Sismologia
dc.subject.lcshEarthquake hazard analysis
dc.subject.otherAtenuación del movimiento fuerte
dc.subject.otherfunciones de atenuación
dc.subject.otherespectro de fuente
dc.subject.otheramenaza sísmica
dc.subject.otherStrong motion attenuation
dc.subject.otherground motion prediction equations
dc.subject.othersource spectrum
dc.subject.otherseismic hazard
dc.titleProcedimiento numérico para la calibración de un modelo de espectro de fuente para la obtención de funciones de atenuación y su aplicación en Colombia
dc.typeConference report
dc.subject.lemacRisc sísmic
dc.contributor.groupUniversitat Politècnica de Catalunya. RMEE - Grup de Resistència de Materials i Estructures en l'Enginyeria
dc.relation.publisherversionhttp://ediciones.uniandes.edu.co/index.php?Itemid=83&option=com_zoo&view=item&category_id=0&item_id=3200
dc.rights.accessRestricted access - publisher's policy
local.identifier.drac16387577
dc.description.versionPostprint (published version)
dc.date.lift10000-01-01
local.citation.authorBernal, G.; Ordaz, M.; Salgado-Gálvez, M.A.; Cardona, O.D.; Barbat, A. H.
local.citation.contributorCongreso Nacional de Ingeniería Sísmica
local.citation.pubplaceBogotá
local.citation.publicationNameEstado del arte de ingeniería sísmica en Colombia: VII Congreso Nacional de Ingeniería Sísmica 2015
local.citation.startingPage610
local.citation.endingPage619


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