000013350 001__ 13350
000013350 005__ 20161114160337.0
000013350 04107 $$aeng
000013350 046__ $$k2009-06-22
000013350 100__ $$aCimellaro G., P.
000013350 24500 $$aCorrelation in spectral accelerations of italian ground motion records

000013350 24630 $$n2.$$pComputational Methods in Structural Dynamics and Earhquake Engineering
000013350 260__ $$bNational Technical University of Athens, 2009
000013350 506__ $$arestricted
000013350 520__ $$2eng$$aThe shape of a uniform hazard spectrum has been criticized to be a) unrealistic for a site where the spectral ordinates of the UHS at different periods govern by different scenario events and b) conservative for long-return-period earthquake shaking. Baker and Cornell introduced the Conditional Mean Spectrum (CMS), which considers the correlation of spectral demands at different periods, to address these issues. A CMS estimates the median geometric-mean spectral acceleration response of a pair of ground motions given an [M, r] pair and a target spectral ordinate, Sa(T1), for which ε(T1) is calculated using an appropriate attenuation relationship. This paper develops a model for ρε(T1)ε(T2) , a key component for developing a CMS, using Italian earthquake records from an European ground motion database. Epsilon (ε) for each record is computed using both Ambraseys and Sabetta & Pugliese ground motion attenuation relationships. The model can be used to develop CMS for Italian sites.

000013350 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000013350 653__ $$aConditional mean spectrum, correlation coefficient, Italian ground motions. Abstract. The shape of a uniform hazard spectrum has been criticized to be a) unrealistic for a site where the spectral ordinates of the UHS at different periods govern by different scenario events and b) conservative for long-return-period earthquake shaking. Baker and Cornell introduced the Conditional Mean Spectrum (CMS), which considers the correlation of spectral demands at different periods, to address these issues. A CMS estimates the median geometric-mean spectral acceleration response of a pair of ground motions given an [M, r] pair and a target spectral ordinate, Sa(T1), for which ε(T1) is calculated using an appropriate attenuation relationship. This paper develops a model for ρε(T1)ε(T2) , a key component for developing a CMS, using Italian earthquake records from an European ground motion database. Epsilon (ε) for each record is computed using both Ambraseys and Sabetta & Pugliese ground motion attenuation relationships. The model can be used to develop CMS for Italian sites. 1

000013350 7112_ $$aCOMPDYN 2009 - 2nd International Thematic Conference$$cIsland of Rhodes (GR)$$d2009-06-22 / 2009-06-24$$gCOMPDYN2009
000013350 720__ $$aCimellaro G., P.$$iYin-Nan, Huang$$iDe Stefano, A.
000013350 8560_ $$ffischerc@itam.cas.cz
000013350 8564_ $$s660866$$uhttps://invenio.itam.cas.cz/record/13350/files/CD519.pdf$$yOriginal version of the author's contribution as presented on CD, section: Statistical and probabilistic methods in computational mechanics to treat aleatory and epistemic uncertainties in structural and/or geotechnical systems and their loading environment - i (MS).
000013350 962__ $$r13074
000013350 980__ $$aPAPER