000013323 001__ 13323
000013323 005__ 20161114160336.0
000013323 04107 $$aeng
000013323 046__ $$k2009-06-22
000013323 100__ $$aSextos A., A.
000013323 24500 $$aEc8-based selection and scaling of accelerograms for assessment of the response of � 5-story, irregular r/c building

000013323 24630 $$n2.$$pComputational Methods in Structural Dynamics and Earhquake Engineering
000013323 260__ $$bNational Technical University of Athens, 2009
000013323 506__ $$arestricted
000013323 520__ $$2eng$$aThis study focuses on the assessment of the selection process of real records on the basis of EC8 provisions, through the performance of nonlinear dynamic analyses of a multistorey R/C building, which was damaged during the Lefkada earthquake in 2003. The building was modelled and studied in the elastic and inelastic range with alternative finite element programs (i.e., Zeus-NL, ETABS and ANSYS) by considering R/C member nonlinearity and the presence of soil. The seismic response of the building is quantified through a displacement-based damage index, denoted as DCR (demand-to-capacity ratio). Five different sets of seven pairs of horizontal components of strong ground motion are selected from available databases from Europe, the Middle-East and the U.S., in compliance with corresponding EC8 (Part 1 and Part 2) guidelines. The results of the extensive parametric analyses performed permit quantification of intra - bin scatter of the building damage and also highlight the limitations of Eurocode 8 provisions. The paper concludes with specific recommendations that aim at eliminating the dispersion of the inelastic response results though appropriate modifications of the EC8-proposed selection parameters.

000013323 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000013323 653__ $$aRecorded accelerograms, Selection process, Eurocode 8, Response spectra, Damage index, Nonlinear dynamic analysis Abstract. This study focuses on the assessment of the selection process of real records on the basis of EC8 provisions, through the performance of nonlinear dynamic analyses of a multistorey R/C building, which was damaged during the Lefkada earthquake in 2003. The building was modelled and studied in the elastic and inelastic range with alternative finite element programs (i.e., Zeus-NL, ETABS and ANSYS) by considering R/C member nonlinearity and the presence of soil. The seismic response of the building is quantified through a displacement-based damage index, denoted as DCR (demand-to-capacity ratio). Five different sets of seven pairs of horizontal components of strong ground motion are selected from available databases from Europe, the Middle-East and the U.S., in compliance with corresponding EC8 (Part 1 and Part 2) guidelines. The results of the extensive parametric analyses performed permit quantification of intra - bin scatter of the building damage and also highlight the limitations of Eurocode 8 provisions. The paper concludes with specific recommendations that aim at eliminating the dispersion of the inelastic response results though appropriate modifications of the EC8-proposed selection parameters.

000013323 7112_ $$aCOMPDYN 2009 - 2nd International Thematic Conference$$cIsland of Rhodes (GR)$$d2009-06-22 / 2009-06-24$$gCOMPDYN2009
000013323 720__ $$aSextos A., A.$$iKatsanos, E.$$iGeorgiou, A.$$iManolis, G.
000013323 8560_ $$ffischerc@itam.cas.cz
000013323 8564_ $$s1176997$$uhttps://invenio.itam.cas.cz/record/13323/files/CD472.pdf$$yOriginal version of the author's contribution as presented on CD, section: Seismic safety assessment of structures - iii (MS).
000013323 962__ $$r13074
000013323 980__ $$aPAPER